Pre ~packaged mainsheet systems with all components required in one complete kit – sliding bolt track, traveller, end fittings, plastic end caps, pilot track and full fitting instructions.Travellers, end fittings and track are all extruded from top quality marine grade aluminium and finished in our unique Spectro grey anodised finish.Sliding bolt track allows for a smooth, clean profile and also makes retro ~fitting easier as bolts can be slid along the extrusion to match existing fastening holes. Two sizes – for yachts up to 11m LOA 36ft2 to 1 or 4 to 1 purchase systemsRecirculating precision ground delrin ball system. Specifications Size 1 Size 2 Max Boat Size 8.5m 28.5ft 11.0m 36ft Track Width 20mm 26mm Track Length 1.4m 1.6m Max control line dia 6mm 8mm SWL 500Kg 700Kg Fastenings 5mm 6mm Guide to choice of size:Size 1 for yachts up to 8.5m ~ 28.5ftSize 2 for yachts up to 11.0m ~ 36ft Important note: boat sizesSuggested boat sizes are given as guidance only and assume a monohull with boom end sheeting, loaded vertically to the traveller.Mid ~boom sheeting and severely angled take offs can impose greater loads and suitable allowances should be made for this. If at all unsure of your choice it is important to seek further advice.If you are close to the maximum boat size suggested, we would advise upgrading to the next size up.Complete pack kits are not suitable for open span applications as they require beam section track 2 to1 Purchase Kit ~ Size 1 20900 Size 2 24900with cleats at 70 degrees on end fittings1.4m size 1 ~ 1.6m size 2 sliding bolt trackTraveller car with single shackle take offEnd fittings ~ pairPlastic end caps ~ pairPilot track & fitting instructions. 4 to1 Purchase Kit ~ Size 1 20901 Size 2 24901with cleats at 70° on end fittings1.4m ~ size 1 1.6m size 2 sliding bolt track Traveller car with single shackle take offEnd fittings ~ pairPlastic end caps ~ pairPilot track & fitting instructions 4 to1 Purchase Kit ~ Size 1 20902 Size 2 24902with cleats on traveller1.4m ~ size 1 1.6m ~ size 2 sliding bolt trackTraveller car with single shackle take offEnd fittings ~ PairPlastic end caps ~ pairPilot track & fitting instructions.