Mast Base Organizer - 4 BlockThe Barton Mast Base Organiser is finished in our unique 'Spectro' grey anodizing for a long-lasting finish.It accepts up to four double tang blocks mounted on individual stainless steel swivel posts but with three deck fixing points.The unit is fitted close to the mast base to accept halyards, reefing lines, and a topping lift. It is designed to work with our range of deck organizers, rope clutches, and winches, doing away with the need to leave the cockpit when reefing, hoisting, or lowering the mainsail.Specifications & Dimensions:Length: 160mmWidth: 25mmHeight: 28mmWeight: 166gSafe Working Load: 1,540kgBreak Load: 3,080gFixing Hole: 6mmSpecification comprises:'Spectro' anodized aluminum baseFour stainless steel swivel posts with nylon base washersFour pairs of nylon packing washers for tang blocksUsed in conjunction with series 1-4 01 090 to 04 090 single blocks