Flap disc (special backing)
Features: with glass fiber backing to meet various needs
We supply plastic backing and screw plastic backing
Aluminum backing
A, ZA, and C abrasives are available
Size: 4 x 5/8 inches and 4.5 x 7/8 inches
Grit: 4 x 5/8-inch/40 to 320# and 4.5 x 7/8-inch/40 to 320# 
Maximum speed: 4 x 5/8-inch/15,200rpm and 4.5 x 7/8-inch/13,300rpm
Quantity/carton: 4 x 5/8-inch/200 pieces and 4.5 x 7/8-inch/200 pieces
Gross weight: 4 x 5/8-inch/13kg and 4.5 x 7/8-inch/16kg