4:1 Tackle with ø7mm / 18m Line and Cam - 40 mm Ball Bearing Blocks RBB60 Thread size: 1/4"

Thread size: 1/4"

A "Do-it-yourself" kit based on a ø90 mm carbon spinnaker pole section with Seldéns composite 534-854 series end fitting with trip trigger as outboard end and the aluminium 534-778 series as in board end

with a glass fiber reinforced composite construction for durability

ensuring durability and precision in rig adjustments according to Seldén's recommendations

The 50 mm Triple Becket Plain Bearing Block is designed for medium-sized boats for numerous applications

4:1 Tackle with ø7mm / 18m Line and Cam - 40 mm Ball Bearing Blocks RBB60 Thread size: 1/4"A ready made tackle based on our BBB 40 blocks and a grey 24 plait Polyester line, 7 mm x 18 m. Ideal for main sheet, kicker tackle and backstay. SubType: cam Upper block: 404 101 12 Lower Block: 404 101 15 Line: 400 503 18