AISI 316 premium grade stainless steel.

Specifications:

2.75” (70mm) L = 2.75”, A = 0.5”, B= 0.5”, WLL= 1,000 lbs.
3.5” (87mm) L = 3.5”, A= 0.63”, B= 0.63”, WLL= 1,433 lbs.
5” (128mm) L= 5”, A= 0.86”, B= 0.86”, WLL= 2100 lbs.