Pack of 2 8mm eye / Hook hot dipped galvanized steel straining screws, suitable for fixing bow and stern fenders to narrowboats canal / river cruisers. They have an adjustment of 7 - 10.5 inches. Especially useful when stacking fenders in the traditional working boat configuration i.e two tipcats with a button, once the fenders are in position tighten up the straining screws to hold everything in place.