Adjustable Cam Arms
Block with Cam Cleat quips adjustable Cam Arms to easily change the angle of line.
Lock Up Shackle
A patented simple Lock-up system can be easily engaged to in either of two directions or free to swivel.
Stronger Strength Materials
The high strength composite sideplates are still glass reinforced Nylon composite with UV-Stabilizer. The excellent weather-ability protects blocks from breaking down for any sailing conditions.
|Sheave Ø (mm)||60 mm||Maximum line Ø (in)||3/8 in|
|Sheave Ø (in)||2 1/3 in||Maximum working load (kg)||748 kg|
|Maximum line Ø (mm)||10 mm||Maximum working load (lb)||1646 lb|
60 mm Plain Bearing blocks are typically used for high loads for Halyard tuning, Mainsheet systems, Mast foot blocks, Mast head blocks and boom vangs.
•Do not use Master products to human suspension!