Wire cup brush with shank

S: Natural hardness steel wire, bent, Dia:0.13-0.8mm
BS: Copperize wire with good elasticity, bent, Dia:0.2-0.38mm
B: Mild copper wire, bent, Dia:0.13-0.5mm
SS: Anticorrsion stainless steel wire, straight or bent, Dia:0.13-1.0mm
A: The imported grinding wire, is made up of heat-resistant nylon and silicon carbide grain
ST: High hardness card wire, straight. Dia:0.35-0.8mm