Stand Up Blocks -Single Sheave Ball Bearing Block with saddle and spring

$ 31.95

Stand Up Blocks -Single Sheave Ball Bearing Block with saddle and spring

In stock

Product Information

Stand Up Blocks -Single Sheave Ball Bearing Block mounted to saddle with spring

The Ronstan Series 20 Ball Bearing Single Stand-Up Block with a 2-way loop mounted on a saddle with spring support for standing up and flexibility can be universally used for sailing.

Features:

  • Precision moulded Acetal sheaves running on ball bearings provide high performance & low friction.
  • Low friction
  • High static and dynamic load capacity.
  • Lightweight
  • Strap loop top
  • Use for dinghy control lines, dinghy vangs, cunninghams, and traveller controls.

Materials:

  • Stainless steel ball bearings.
  • UV stabilised Acetal sheave.
  • Marine Grade 316 stainless steel load strap and head fitting.
  • Marine Grade 316 stainless steel 2-way loop strap head
  • Impact and UV-resistant, glass-fibre reinforced Nylon plastic cheeks.

Specifications:

  • Sheave Ø: 20mm
  • Max. Rope Ø: 6mm
  • B.L: 550kg
  • M.W.L: 250kg
  • Weight: 20gm
  • Fastener Ø: 4mm X 2
  • Saddle Hole Distance: 38mm
  • Length: 127mm
  • Spring:
    • Top Ø: 16mm
    • Base Ø: 23mm
    • Height: 22mm
    • Weight: 3gm
    • Wire Ø: 1mm