Manufacturer part #: 1988
Technical Description
Mastbase Block/Fixed
2 1/4 in
57 mm
1 3/8 in
35 mm
3 3/16 in
81 mm
2 7/8 in
73 mm
3/8 in
10 mm
6.2 oz
175 g
2500 lb
1136 kg
5000 lb
2273 kg
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase. Flared cheeks prevent chafe on the halyards.
High-load bearing system has Teflon® composite bushing, sideload balls. Hardkote-anodized aluminum sheave for additional strength.
High-load bearing system has Teflon® composite bushing, sideload balls. Hardkote-anodized aluminum sheave for additional strength.