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

Hours are logged when RPM is present

Not for: Electroplated finishes Specifications:

WARNING: This product can expose you to chemicals including COBALT METAL POWDER which is known to the State of California to cause cancer

or on fully electronical engines

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