The Fastfender Sail is designed for securing fenders on steel wire railings up to 8 mm Ø Railing thickness Max. 8 mm steel wire Thickness rope 6 - 12 mm Material PA6 AWAMID Recyclable Yes Size 118 x 42 x 33 mm Weight approximately 55 grams Weather resistance 3 stars Maximum power transferring 150 kg of short duration, long 85 kg Package Details 1 set (2 Fastfenders)