uxcell 3pcs 40mm Dia 1mm Thickness 72 Teeth HSS Slitting Saw Cutter Cutting Tool Product Name : Slitting Saw;Material : HSS External Dia. : 40mm/ 1.6";Hole Dia. : 13mm/ 0.5" Thickness : 1mm/ 0.04";Tooth Number : 72T Color : Silver Tone;Net Weight : 26g Package Content : 3 x Slitting Saw