Series 30 Ball Bearing Orbit Block™, Double with Becket The Series 30 Orbit Block™ double sheave block with becket and fixed (non-swivel) shackle head is engineered for high-performance sailing and rigging applications. It delivers exceptional strength, efficiency, and durability in a compact, lightweight design. Ideal for demanding control systems, this double block ensures smooth line handling and reduced friction, making it a reliable choice for competitive sailing environments.
Features:
Lightweight construction with high strength-to-weight ratio
Highest working load in its class for dependable performance
Secure and versatile attachment with fixed shackle head
Ultra low-profile through-sheave becket
2-stage ball bearing system for smooth, low-friction operation across all load ranges
SP versions include a Nylatron® sheave suitable for both rope and wire
Specifications:
Maximum rope diameter: 5/16"
Maximum Working Load (MWL): 990 lb*
Breaking Load (BL): 1980 lb
Sheave diameter: 1 3/16"
Weight: 2 oz
Notes:
Becket is suitable for lines up to 6 mm (1/4")
For lines larger than 6 mm, use an additional Dyneema® link (sold separately)
Load applied to the becket should not exceed 25% of the block’s rated load
Suitable for use in a 4:1 system at the block’s rated load
