Specification: 1.ST0802-2 Plastic Suction Cup 2.2 Pads Fixed 4-1/2" 3.material:plastic We have the following ... grinding discs, diamond resin grinding wheels, etc. 2. Workshop 2: tungsten carbide burrs: inch size and metric size ... polishing pads and diamond dry soft polishing pads 4. Workshop 4: carbide brazed tools, like files, hole saws ... the USA and Australia Plastic Suction Cup -2 Pads Fixed 4-1/2"