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Free shipping When you spend $149+

Ronstan Series 15 Webbing Block [RF15107]

by Ronstan
Original price $16.80
Current price $10.99

Series 15 Webbing Block

Ronstan’s Series 15 blocks are available in 15 different configurations or as a sheave only.

The smallest and lightest ball bearing blocks on the market, stainless steel ball bearings help create impressive working loads for these tiny 15mm blocks.


  • Stainless steel cheeks can twist to open for snatch block functionality
  • Suits 10mm (3/8”) webbing for mounting
  • Maximum 4mm (5/32”) line
  • MWL 120kg (260 lbs), BL 450kg (990 lbs)
  • Weight 10g (0.4oz)
  • Stainless steel ball bearing sheave