uxcell 4" Dia 40 Teeth Circle Milling Slitting Slotting Saw Mill Cutter for Wood Alloy Cutting 4-inch cutting diameter, 40 tooth. Fits for the saw with 20mm(25/32"). The slitting saw cut quickly with fluent swarf , is easy to operate. Used for Cutting-off, slitting and steel, copper, metal, plastic, wood, etc. Package Content : 1 x Slitting Saw