uxcell 2.6mm Dia Dual Wheels 1.0mm Pitch Linear Knurl Knurling Tool Product Name : Knurling Tool;Pitch : 1.0mm / 0.039" Wheel Size : 26 x 8mm / 1.02" x 0.31"(D*W);Overall Size(Not Include Wheel) : 13.3 x 4 x 1.8cm / 5.2" x 1.6" x 0.7"(L*W*H) Material : Metal;Color : Black Weight : 429g Package Content : 1 x Linear Knurl Tool