Tritan SFX1-1/2 QD Bushing Quick Detach with 1-1/2" keyed bore. This SFX series quick detach bushing features a split design for easy installation and removal along with a keyway for secure shaft mounting. Includes mounting hardware (cap screws) as shown. Ideal for sprockets, sheaves, pulleys and other power transmission components requiring a SFX style QD bushing. Great industrial surplus replacement for Tritan SFX 1-1/2 bushings.