The high strength to weight ratio and simple construction of this Seasure 00.39 block gives years of trouble free service. Featuring electro polished 316 stainless steel construction, hollow rivets for lightness and tough plastic sheaves.
Typical uses include control lines, halyards, outhauls, kicking straps, furling lines, cunninghams traveller control lines, leech lines, dinghy spinnaker sheets, guys and halyards.

• Maximum rope size 8mm
• Tough "Arnite" plastic sheave
• Plain low friction plastic onto stainless steel bearing
• Maximum weight 49g