Classic Micro Single/Swivel Block is a workhorse onboard boats of all sizes.
Micro Low-friction extremely lightweight, free-running blocks are compact. Designed for any number of uses on dinghies and for lightly loaded control lines on boats of all sizes. Derlin ball bearings are UV stabilized with carbon black for maximum protection and stainless steel side plates add strength. Use inside masts, booms, lead car returns and tackle.