This heavy Y-wt polyester backed Zirconium is designed for finishing of bothg ferrous and non-ferrous metal. The top-coat has a grinding lube incorporated in it to help reduce heat build-up.
 
Premium Zirconium grain
Long-lasting
Made with a heavy 100% polyester backing
Available in grit P36, 40, 50, 60, 80, and 120
Available in packs of 5 or 10 belts