Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] Brand_Full Throttle Hours are logged when RPM

Hours are logged when RPM is present

Check valve automatically shuts off hull intake when water pressure is applied

UltimaBilge Pumps are the latest addition to the Johnson Pump brand lineup

Will withstand the water exposures normally encountered in above deck applications: salt spray

Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] Brand_Full Throttle Hours are logged when RPMNylatron Sheave Box Single Upright Lead Block Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted position, are frequently used as upright leads. Features: The external tabs can be formed to fit the spar profile before fastening Applications: Typically used in dinghy spars for control lines such as outhauls Materials: Nylatron sheave Grade 316 stainless steel