Ronstan Single Upright Lead Block

Ronstan Single Upright Lead Block
Item# RF453
Regular Price: $29.95
Our Price: $25.46

Product Description

Ronstan Single Upright Lead Block


  • The external tabs can be formed to fit the spar profile before fastening

  • Sheave Ř - 7/8 in.

  • Max. Rope Ř - 1/8 in.

  • Max. Cable Ř - 1/8 in

  • Fastener Ř - 3/16 in.

  • M.W.L. - 350 lb.

  • B. L. - 700 lb.

  • Weight - 1.1 oz.

    Product Information

    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.


  • Typically used in dinghy spars for control lines such as outhauls.


  • Nylatron® sheave

  • Grade 316 stainless steel load housing