General description Eye & Eye Forged Straining Screw, Open Body Turnbuckle, designed for tightening, tensioning, and adjusting various materials such as chain, rope, and cable. These straining screws are particularly popular in the caravaning industry and feature a galvanised finish for long-lasting protection. Technical specifications Quantity: 25 Product Codes and Dimensions: Code SFFOREE05: A (5 mm), B (70 mm), C (7.5 mm), D (117 mm), E (164 mm) Code SFFOREE06: A (6 mm), B (109 mm), C (9 mm), D (165 mm), E (249 mm) Code SFFOREE08: A (8 mm), B (108 mm), C (10 mm), D (175 mm), E (251 mm) Code SFFOREE10: A (10 mm), B (126 mm), C (14 mm), D (198 mm), E (275 mm) Code SFFOREE12: A (12 mm), B (125 mm), C (16 mm), D (230 mm), E (315 mm) Code SFFOREE16: A (16 mm), B (169 mm), C (22 mm), D (335 mm), E (450 mm) Code SFFOREE20: A (20 mm), B (202 mm), C (24 mm), D (335 mm), E (515 mm) Code SFFOREE22: A (21 mm), B (220 mm), C (29 mm), D (400 mm), E (540 mm) Code SFFOREE24: A (23 mm), B (250 mm),