A corner applicator is used in conjunction with a corner finisher (angle head) to apply drywall finishing compound over taped inside and outside corners. The DEWALT corner applicator (also referred to as an angle box or hockey box) features precision machined components and a heavy-gauge but lightweight aluminum housing that has been hard-coat anodized for outstanding durability and easy cleaning. The DEWALT corner applicator features a premium quality urethane wiper seal that has been lab-tested to more than 100,000 cycles with no visible wear or leakage. Welded stainless steel cone provides smooth dispensing, easy cleanup and long wear life. Optional - DEWALT extendable corner applicator handles are available in 2 lengths: 40 in. to 58 in. (DXTT 2-794) and 47 in. to 77 in. (DXTT 2-798). Material: Metal.