The 093 U-adaptor allows blocks with 3/8 in (10 mm) posts to be attached to swivel bases or to other blocks with 3/8 in (10 mm) posts.
Shackle pin Ã (mm)5 mm. Weight (g)13.6g. A (mm)12mm. B (mm)11mm. Maximum working load (kg)567kg. Breaking load (kg)1134kg.