Uxcell HSS Steel Diameter Round Slitting Saw Cutter, 40 x 1.5 x 72 40mm Product Name : Slitting Saw;Material : HSS External Dia. : 40mm/ 1.6";Hole Dia. : 13mm/ 0.5" Thickness : 1mm/ 0.039'';Tooth Number : 72T Color : Silver Tone;Net Weight : 13g Package Content : 1 x Slitting Saw