DUAL LOCK SPLINED COUPLER 9/16-26 SPLINE, 3/4" BORE
Spline is correctly sized for Stiletto Pro-box, C42-348 & Pinto style rack. Screws are at 90 deg. for positive dual lock.
9/16-26 female spline
3/4 in. bored inside diameter
1/4-20 NC screws and lock nuts
Made in the USA