Dewalt DALP5B121A 1-1/2" 120 Grit XP QMC Quick Change Zirconia Discs 100 Pack Pliers Shank is 3/8" with 3

Shank is 3/8" with 3 flat sides

Weld does not stick to copper

You'll never need to replace the transformer

Average air consumption CFM 7

Valley 82270 Trailer Hitch-Class III And IV Multi-Fit Receiver Rear  5000lb

Dewalt DALP5B121A 1-1/2" 120 Grit XP QMC Quick Change Zirconia Discs 100 Pack Pliers Shank is 3/8" with 3Features and Benefits Coated abrasives can be used for most applications, from grinding to polishing. They consist of a thin layer of abrasive adhered to fiber, paper, cloth or rubber. Coated discs are normally used on angle grinders. More durable than aluminum oxide, zirconia alumina is best for medium to heavy material removal. The material grains constantly fracture to produce new sharp edges. Commonly used on carbon steels, aerospace alloys,