Ronstan Single Upright Lead Block - Removable Sheave hatch hardware Diaphragm design can run dry

Diaphragm design can run dry for extended periods

Lights are pre-wired with tinned copper wire and have 100

Printed white arrow to show the direction of flow

Powerful high pressure flow

Acetal & aluminium sheave options Selected models are available with an aluminium sheave which has a deep groove profile specifically made for use with wire

Ronstan Single Upright Lead Block - Removable Sheave hatch hardware Diaphragm design can run dryLead 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. Applications: Typically used in dinghy spars for control lines such as outhauls Removable sheave The external tabs can be formed to fit the spar profile before fastening Materials: U. V. stabilised Acetal sheave Grade 316 stainless steel load housing