General description These x4 M30 Galvanised Forged Straining Screw Hook and Eye turnbuckles are designed for tightening, tensioning, and adjusting various materials such as chain, rope, and cable. They are particularly popular in the caravaning industry due to their durability and ease of use. Technical specifications Quantity: 4 Product Code: SFFORHE30/04 Galvanised finish for long-lasting protection Available sizes: 5 mm: A=5, B=70, C=8, D=118, E=170, F=18, G=7 6 mm: A=6, B=110, C=9, D=159, E=245, F=22, G=8 8 mm: A=8, B=110, C=11, D=187, E=270, F=28, G=10 10 mm: A=10, B=126, C=14, D=225, E=315, F=35, G=14 12 mm: A=12, B=124, C=16.5, D=245, E=325, F=48, G=17.5 16 mm: A=16, B=170, C=21, D=310, E=420, F=59, G=22 20 mm: A=20, B=200, C=24, D=375, E=510, F=68, G=19 22 mm: A=22, B=220, C=27, D=430, E=580, F=78, G=22 24 mm: A=24, B=250, C=27, D=465, E=640, F=78, G=26 30 mm: A=30, B=255, C=30, D=540, E=700, F=93, G=31 33 mm: A=33, B=260, C=38, D=545, E=710, F=119, G=35 Usage These straining