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RONSTAN Series 25 Lightweight Blocks

Stainless-steel blocks with Acetal sheaves for reduced weight. Slightly flared cheeks provide fair leads on dinghy control lines.

  • Sheave: UV stabilized Acetal
  • Ball Bearings: Plain bearings
  • Sheave Size: 1" (25mm)
  • Line Dia.: 1/4" max.
  • Cheek Material/Finish: Polished 316 Stainless
  • Shackle/Strap Type: Swivel shackle or loop top
Customer Reviews
Product Models
Description WM Model # MFG Part # Availability Price Quantity  
Single Lightweight Block, 660lb. SWL, 0.5oz. 148775 RF571
Ships when available.

$10.54

Single, Upset Swivel, Lightweight Block, 330lb. SWL, 0.7oz. 538678 RF573
In stock online.

$16.24

Product Description

Stainless-steel blocks with Acetal sheaves for reduced weight. Slightly flared cheeks provide fair leads on dinghy control lines.

  • Sheave: UV stabilized Acetal
  • Ball Bearings: Plain bearings
  • Sheave Size: 1" (25mm)
  • Line Dia.: 1/4" max.
  • Cheek Material/Finish: Polished 316 Stainless
  • Shackle/Strap Type: Swivel shackle or loop top

Specs

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