National Hardware 3242BC Series N177-287 Clevis Slip Hook, 1/2 in, 9200 lb Working Load, Steel, Blue AUTO COMP/THERM/CLOCKS It is worm gear driven

It is worm gear driven by a 5/16 in crank spindle

programmable temperature alerts

Fast setting

The long handle provides extra strength for tough tasks

patented design

National Hardware 3242BC Series N177-287 Clevis Slip Hook, 1/2 in, 9200 lb Working Load, Steel, Blue AUTO COMP/THERM/CLOCKS It is worm gear drivenDesigned for making quick connections with chain in industrial and construction applications. Meets Grade 43 hook specifications. Removable clevis is for easier rigging. Manufactured from forged steel. For use with chain of an equal or lower grade. Not designed for over head lifting. Unit: EA UPC: 038613177284 Model Number: N177 287