3 1/2″ × 1/2 In. Bore Polisher 240 Grit Very Fine Aluminum Oxide Fits 2 1/8″-2 1/2″ Inside Diameter X Weight Cotton/Poly Backing "S" Style Collet Pads - Type S20 the wheels are made of

the wheels are made of heat treated High Cobalt Steel to withstand severe knurling operation *Knurl wheels are Titanium Nitrating coated to reduce the co-efficient of friction when knurling

370 Length: 1

Mfg #: 20611

0827 Drill Point Angle 118 Drill Bit Material High Speed Steel Drill Bit Finish/Coating Oxide Overall Length (mm) 125

3 1/2″ × 1/2 In. Bore Polisher 240 Grit Very Fine Aluminum Oxide Fits 2 1/8″-2 1/2″ Inside Diameter X Weight Cotton/Poly Backing "S" Style Collet Pads - Type S20 the wheels are made ofItem #: MM4554113 Brand: Merit Model #: 08834154113 Product Specifications Abrasive Material Aluminum Oxide Grit 240 Minimum Bore Diameter 2 1 8 Maximum RPM 16000 Maximum Bore Diameter 2 1 2 Backing Weight Y Connection Size 1 2 20 Model No B 415