A bolt having a loop or eye at one end in place of the customary flat head.
a bolt with an eye in it used to hook blocks to
A metal bolt or strap with an eye in the end, fixed in any useful position to take any lines or tackle
A bolt with a circular ring on the head end. Used for attaching rope or chain.
A bolt with an eye on one end
A bolt having a looped head designed to receive a hook or rope.