The Ronstan Upright Lead Block with a 29mm Acetal sheave is typically used in dinghy spars for control lines

When onboard

It is suitable for use with medium C-Cleat™ and T-Cleat™ models

: 17540054

Talamex, Dyneema Pro Carbon, 4 mm x 250 m Udsolgt The Ronstan Upright Lead BlockVery tightly braided line with coating and minimal stretch, ideal for hi tech use in water sports and industry. It is universally applicable for high loads with low weight and minimal stretch. The line has a higher breaking load than other lines with the same diameter and low water absorption, making it ideal as a replacement for steel wire. Extremely high breaking load at a light weight Easy to splice Suitable for halyard, sheet, and backstay High UV