Jet 523201-4 X 2 X 5/8-11Nc A16 T11 Resin Bond Cup Wheel Power Tools They are made of brass

They are made of brass

1/4-Inch hex shaft fits ball retainer and regular style chucks

cast-iron housing and an I-beam handle with full floating forged hook jaw and self-cleaning threads with replaceable hook and heel jaws

1/2-inch compression-wrapped inner core cable

Standard Accessories: 72 tooth high torque ratchet (672928) 2-Inch (672904)

Jet 523201-4 X 2 X 5/8-11Nc A16 T11 Resin Bond Cup Wheel Power Tools They are made of brassJets wide range of t11 resin bonded cup wheels are used for rough grinding on concrete , stone or steel , All sizes and grits are supplied with a wrap around steel hub for maximum safety and long life , 5 8 11nc arbor for easy mounting