Lewmar

Plain bearing blocks are typically used for heavy and static loads. The toggle heads of the halyard blocks are designed to fit on the studs commonly found at mast bases - check the diameter of the stud against the width of the block jaws and pin diameter.

Its DIY-ready, easy to install and housed in 100% 316 stainless steel, making it well protected and durable. And with push-button control and a built-in manual emergency recovery system, anchoring has never been easier.