uxcell Leatherworking 7mm Inner Diameter Hollow Hole Punch Cutter Tool Gray Product Name : Hollow Hole Punch;Material : Metal Inner Diameter : 7mm/ 7/25"(0.28");Hole Size(Approx. ) : 20 x 7mm/ 0.77" x 0.28"(L*W) Overall Size : 10 x 100mm/ 0.39" x 3.9"(Outer D*L);Color : Gray Weight : 50g Package Content : 1 x Hollow Hole Punch