DESCRIPTION
DESCRIPTION
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: 22mm(7/8")
Max. Rope Ø: 3mm(1/8")
Max. Cable Ø: 3mm(1/8")
Fastener Ø: 5mm(3/16")
M.W.L.: 160kg(350lbs)
B. L.: 350kg(700lbs)
Weight: 30g(1.1oz)
Our Part # RONRF453 | Mfr. Part # RF453
FEATURES
FEATURES
- Nylatron® sheave
- Grade 316 stainless steel load housing
- 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.
- The external tabs can be formed to fit the spar profile before fastening
- Typically used in dinghy spars for control lines such as outhauls
- Sheave Ø: 22mm(7/8")
- Max. Rope Ø: 3mm(1/8")
TECHNICAL INFORMATION
TECHNICAL INFORMATION
| Specification | Value |
|---|---|
| Manufacturer | Ronstan |
| Manufacturer part number | RF453 |
| Supplier material detail | Grade 316 stainless steel load housing |
| Sheave Ø | 22mm(7/8") |
| Max. Rope Ø | 3mm(1/8") |
| Max. Cable Ø | 3mm(1/8") |
| Fastener Ø | 5mm(3/16") |
| M.W.L. | 160kg(350lbs) |
| B. L. | 350kg(700lbs) |
| Weight | 30g(1.1oz) |
| Product-name configuration | Single Upright Lead Block |





