Never been used to I have Loads of these in my eby shop  the more you buy the cheaper the postage becomes.

Many other sizes available in my ebay SHOP I can soon set up another Auction if required. I am one of the largest Stockist of Boat fittings in the UK !

Anchors, Rigging Screws, Snap Hooks, Bilge Pumps, Wire Rope, Fairleads, Chain, U Bolts, Eyebolts, Pulleys, Lifting Blocks, Cleat Hooks, Eye Plates, Sheet Eye Straps, ETC All from stock !  If I don't Stock it I will help you find it !