10 pcs 4"/5" Scotch Brite Mop Polishing Wheel for Metal Stainless Steel Brushed Finish rubber expander wheel 6201-12 installed ---- ID 12mm

6201-12 installed ----  ID 12mm bearings installed

Lubrication is very important

1200# for fine polishing before the mirror processing

Inner hole 12mm

Blended fabric

10 pcs 4"/5" Scotch Brite Mop Polishing Wheel for Metal Stainless Steel Brushed Finish rubber expander wheel 6201-12 installed ---- ID 12mmScotch Brite Mop Polishing Wheel Product Mix: Imported non woven sanding pad, Wooden wheel core Grit: Red 320# Green 180# Size: 100 125 ( DIA.) x 25 (TH) x 20 (ID) mm 4x1x3 4", 5x1x3 4" Non woven abrasive flap wheels provide for high quality and characteristic grinding patterns on metallic workpieces. With a large variety of strengths, abrasives and coarseness we can optimally support our customers in many applications such as cleaning, polishing or