Taylor Rubber Mooring Snubber (Mooring Line Shock Compensator) 

Mooring snubbers prevent mooring line breakage along with compensating for sudden jolting and excess stretching of lines beyond parting strength. Made from super elastic isoprene natural rubber snubbers also provide maximum protection against the stress caused by wind, waves, and wakes. No tools needed to install. Locks lines safely and securely. Self-locking internal system eliminates chafing.

Line Size: 3/8", Case: 6