Seasure 25mm Bolt Down Block

Seasure 25mm bolt down plain bearing block
The high strength to weight ratio and simple construction gives years of trouble free service.
Featuring hollow rivet for lightness and tough "Arnite" plastic sheave that provides a good bearing surface allowing easy rotation on a stainless steel axle.
Body construction Electro-polished 316 stainless steel with hollow rivet.

The 25mm range is typically used for control lines, halyards, outhauls, kicking straps,furling lines, cunninghams, traveller controls, leech lines, dinghy spinnaker sheets and guys.  Hollow axle rivet can be used as a tie through becket with ropes up to 4mm. Block can be fitted flat or upright

• Hollow Rivet Inside Diameter: 5mm   
• Fixing Centres underneath: 13mm
• Fixing Centres on short end: 18mm
• Fixing size: 4mm