3pc. 3" Cut-off Wheel for True Power 3-1/8" Mini Miter Saw #805 Set of 3 cut-off wheels for TruePower 3-1/8" Mini Miter Saw 3"(76mm) cut-off wheel for cutting metal only 3/8"(10mm) Arbor 1/16"(1.8mm) Kerf 25,000 RPM max.