KH778 Inside Outside Clear Cover Lens Kit Review
By Garage Welding Editorial Team
Last updated: June 13, 2026
The KH778 Inside Outside Clear Cover Lens Kit is made for welders who need replacement cover lenses for compatible welding helmets. The kit includes ten inside lenses and ten outside lenses. These lenses protect the helmet’s filter lens from scratches, spatter, and daily shop wear.
Verdict
The KH778 lens kit is a practical buy if your welding helmet matches the listed compatible models. It gives you a full set of inside and outside clear cover lenses, so you can replace damaged lenses without buying them one at a time. Check your helmet model and lens size before ordering.
Key Specs
| Specification | Detail |
|---|---|
| Product | KH778 Inside Outside Clear Cover Lens Kit |
| ASIN | B0BPY59M1V |
| Material | EGR premium polycarbonate, according to the supplied product details |
| Inside Lenses | 10 lenses, 1.87 by 3.83 inches |
| Outside Lenses | 10 lenses, 3.59 by 4.41 inches |
| Compatible Helmet Models | K3419-1, K3063-1, K2799-1, K2933-1, and K2934-1 |
| Safety Standard | ANSI Z87.1 listed in the supplied product details |
| Warranty | 90 days from purchase date, according to the supplied product details |
What Is This Product?
The KH778 Inside Outside Clear Cover Lens Kit is a replacement lens pack for compatible welding helmets. It includes clear inside and outside cover lenses. These cover lenses sit over the helmet’s filter lens and help protect it from weld spatter, scratches, dust, and handling marks.
The kit is not a welding filter lens. It does not replace the auto-darkening cartridge or shaded filter. Its job is to act as a protective layer so the main filter lens lasts longer.
Who It Is For
This kit is for welders who use one of the listed compatible helmet models and want spare clear cover lenses on hand. It is also useful for shops where lenses get scratched or covered with spatter during regular use.
The pack size makes sense for users who replace lenses often. Ten inside lenses and ten outside lenses give you several changes before you need to reorder.
Who Should Skip It
Skip this kit if your welding helmet model is not listed as compatible. Cover lenses must fit the helmet slots correctly. A poor fit can leave the filter lens exposed or make the helmet harder to use.
You should also skip it if you need a shaded lens, an auto-darkening filter, or a magnifying cheater lens. This product is only a clear cover lens kit.
Key Features
Twenty Lenses in the Kit
The kit includes ten inside lenses and ten outside lenses. This gives you replacements for both sides of the filter lens area, which helps keep the helmet clearer during welding work.
Polycarbonate Construction
The supplied product details describe the lenses as EGR premium polycarbonate. Polycarbonate is commonly used for protective lenses because it is lightweight and impact resistant.
ANSI Z87.1 Listed
The article details list ANSI Z87.1 compliance. This is important for protective eyewear and face protection, but buyers should confirm the current listing and helmet manual before use in safety-critical work.
Specific Lens Sizes
The inside lenses measure 1.87 by 3.83 inches. The outside lenses measure 3.59 by 4.41 inches. Match these measurements with your helmet before buying.
Compatible Helmet Models
The supplied compatibility list includes K3419-1, K3063-1, K2799-1, K2933-1, and K2934-1. If your helmet has a different model number, check the current Amazon page or the helmet manual before ordering.
Real-World Use
In daily welding, cover lenses take most of the abuse. Spatter, grinding dust, and scratches can make it harder to see the puddle. Replacing the clear cover lens is usually easier and cheaper than replacing the helmet’s filter lens.
This kit is most useful when you keep spare lenses near your welding bench. If the outside lens gets marked up, you can swap it out and get back to work with better visibility. The inside lens also matters because dust and fingerprints can reduce clarity from the back side of the filter area.
Installation Tips
- Remove the plastic film from both sides of each lens before installing it.
- Line up the lens with the helmet’s lens slot.
- Press it into place so it sits flat and secure.
- Check that the lens does not shift before welding.
Do not force the lens if it does not fit. Recheck the model number and lens size first.
Pros and Cons
Pros
- Includes both inside and outside clear cover lenses
- Twenty total lenses give you several replacements
- Listed lens sizes make it easier to check fit before buying
- Designed to protect the filter lens from scratches and weld spatter
Cons
- Only fits specific helmet models
- Not a replacement for the welding filter or auto-darkening cartridge
- Weight is not specified in the supplied article details
- UV protection claims should be confirmed on the current listing or helmet manual
Is It Worth the Price?
The KH778 lens kit can be worth it if you use a compatible helmet and replace cover lenses often. A scratched or dirty cover lens can slow you down and make it harder to see your weld. Having replacements ready helps reduce interruptions.
Value depends on fit. If your helmet matches the listed models and the lens sizes line up, the twenty-piece pack is a useful maintenance item. If you are not sure about fit, check the current Amazon page or your helmet manual before buying.
Alternatives to Consider
If the KH778 kit does not match your helmet, compare it with other clear cover lens options made for your exact model. Similar products to look at include Lincoln Electric replacement cover lenses for Viking helmets, Miller clear cover lenses for compatible Miller helmets, and YESWELDER replacement cover lenses for YESWELDER helmet models.
Do not choose an alternative by lens size alone unless the helmet maker confirms compatibility. Tabs, corners, and lens slots can vary by helmet.
Frequently Asked Questions
What Is the Weight of the KH778 Lens Kit?
The supplied article details do not list the kit weight. For shipping weight or package weight, check the current Amazon listing before ordering.
Can the Lenses Be Cleaned With Solvents?
Use mild soap and water unless the current product instructions say otherwise. Strong solvents can damage some plastic lenses or coatings. Dry the lens with a soft cloth to reduce scratches.
Are the Lenses Scratch-Resistant?
The lenses are designed to protect the welding filter lens from scratches and spatter. The supplied article does not confirm a separate scratch-resistant coating, so treat them as replaceable protective covers.
How Many Times Can the Lenses Be Reused?
Reuse depends on the amount of spatter, dust, and scratching. Replace a cover lens when it becomes hard to see through, no longer fits securely, or shows damage that could affect visibility.
Do the Lenses Provide UV Protection?
The supplied article mentions UV protection, but this should be confirmed on the current listing or helmet manual. These are clear cover lenses and should not be used as a substitute for the helmet’s welding filter.
Which Helmet Models Are Compatible?
The supplied product details list K3419-1, K3063-1, K2799-1, K2933-1, and K2934-1. Confirm your helmet model number before buying.
Final Verdict
The KH778 Inside Outside Clear Cover Lens Kit is a simple replacement pack for compatible welding helmets. It includes ten inside and ten outside lenses, with listed sizes of 1.87 by 3.83 inches for the inside lenses and 3.59 by 4.41 inches for the outside lenses.
Buy it if your helmet matches the listed models and you want spare clear cover lenses ready for regular welding work. Skip it if you need a shaded filter, an auto-darkening cartridge, or lenses for a different helmet model.
