●Easy for novices to use. High carbon jaws adjust to different hook sizes from 26 to 2/0 securely. Go with a sturdy C-clamp base, suit for any table thickness. ●User instruction: 1、Turn the jam nut clockwise to move down fully and tighten until the tube body cannot move. ●2、Turn the rotary screw counterclockw.0ise to loosen the jaw to hold the hook. Then turn clockwise to tighten the jaw until the hook is properly clamped. ●3、Turn the jam nut counterclockwise to move up fully (at least 4 full circles) and loosen the tube body, then you can rotate it freely.
1、Turn the jam nut clockwise to move down fully and tighten until the tube body cannot move.
2、Turn the rotary screw counterclockw.0ise to loosen the jaw to hold the hook. Then turn clockwise to tighten the jaw until the hook is properly clamped.
3、Turn the jam nut counterclockwise to move up fully (at least 4 full circles) and loosen the tube body, then you can rotate it freely.