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Continue ShoppingRONSTAN Series 75 Core Single Block
Use them anywhere: Core Blocks™ are a true all-around solution. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Universal Bearing: A tuned two-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high-dynamic or static loads.
Alloy cheek plates for maximum strength. Cut-away design minimizes weight and allows freshwater rinsing of salt and debris from the bearings. Flared cheek design at the block throat and reduced gap between the cheek and sheave minimizes rope wear.
Universal Head: brass bearing washer in head assembly provides smooth 360° rotation of post and shackle. A setscrew arrangement locks head position at 0° or 90°. Shackles are forged grade 316 stainless steel. Removable becket pins allow connection of pre-spliced lines. The flush-fit becket pin head is kind on deck surfaces and won’t snag lines.
Fully Articulated Stand-Up: Stand-up models have low-profile linkage providing full rotation and articulation. A high-strength precision cast pad eye minimizes the footprint.
Name | Value |
---|---|
Becket | No Becket |
Diameter | 9/16 Inch or 14 mm |
Direction | Any |
Integral Cleat | No Integral Cleat |
Mount Type | Swivel Shackle |
Ratchet | Non Ratcheting |
Safe Working Load | 3300 Pounds |
Sheave Diameter | 75 mm |
Type | Single |
Weight | 12.5 Ounces |
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