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 Model #: 6304

Model #: 6304

Mfg #: 605045

Model #: ALEVA621224WA

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

Mfg #: 812-U

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 Model #: 6304Item #: 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