![Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]](http://stock4less.com/cdn/shop/files/55219XL.jpg?v=1689097367&width={width})
![Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]](http://stock4less.com/cdn/shop/files/55219XL.jpg?v=1689097367)
Nylatron 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 load housing
Specifications:
Sheave Ø:t22mm(7/8")
Max. Rope Ø:t3mm(1/8")
Max. Cable Ø:t3mm(1/8")
Fastener Ø:t5mm(3/16")
M.W.L.:t160kg(350lbs)
B. L.:t350kg(700lbs)
Weight:t30g(1.1oz)
