9PCS Scouring Pads Abrasive Buffing Polishing Wheel Drill Attachment Set, Non Woven Wheel Polishing Kit for Drill,Power Scrubber Drill Polishing Kit?Green red Gray) 1/4” Shank industrial_Dec2022 The shell of the PCB

The shell of the PCB terminal block is made of plastic

and the lens ring gasket are all made of nitrile rubber for a tight seal

even under compression

all of which are magnetic: black

9PCS Scouring Pads Abrasive Buffing Polishing Wheel Drill Attachment Set, Non Woven Wheel Polishing Kit for Drill,Power Scrubber Drill Polishing Kit?Green red Gray) 1/4” Shank industrial_Dec2022 The shell of the PCB9PCS Scouring Pads Abrasive Buffing Polishing Wheel Drill Attachment Set, Non Woven Wheel Polishing Kit for Drill,Power Scrubber Drill Polishing Kit? Green red Gray) 1 4 Shank Material: scouring pad; red grit 320,green grit 180,gray grit 800 Product Features These non woven abrasive drill attachments with high flexibility,self sharpening,high grinding efficiency,Good heat dissipation. Useful for removing heavy surface deposits and oxidation from all