Harken 57mm Single Carbo Ratchet Cheek Block [2137] Paddlesports | Navigation Lights the pump will sense resistance

the pump will sense resistance and continue to run until all water is removed

Brackets turned outward - 23

Works with all Scotty tilt-up Electric and Manual downriggers

Others find it more efficient to simply unbolt the old one and put the new one on

Why would you secure your SUP with ugly bungee cords

Harken 57mm Single Carbo Ratchet Cheek Block [2137] Paddlesports | Navigation Lights the pump will sense resistance57mm Single Carbo Ratchet Cheek Block Carbo Ratchets allow sailors to hand hold loaded lines and offer balance between holding power and controlled easing. Features: Sheave (mm): 57 mm Sheave (in): 2 1 4 in Maximum line (mm): 10 mm Maximum line (in): 3 8 in Maximum working load (kg): 227 kg Maximum working load (lb): 500 lb