General description These x4 M12 Galvanised Forged Straining Screw Hook Eyes are designed for tightening, tensioning, and adjusting various materials such as chain, rope, and cable. They feature an open body turnbuckle design, making them ideal for use in the caravaning industry due to their durability and ease of use. Technical specifications Quantity: 4 Product Code: SFFORHE12/04 Galvanised finish for long-lasting protection Available sizes: A (MM): 5, 6, 8, 10, 12, 16, 20, 22, 24, 30, 33 B (MM): 70, 110, 110, 126, 124, 170, 196, 220, 250, 255, 260 C (MM): 8, 9, 11, 14, 16.5, 21, 23, 27, 27, 30, 38 D (MM): 118, 159, 187, 225, 245, 310, 377, 430, 465, 540, 545 E (MM): 170, 245, 270, 315, 325, 420, 510, 580, 640, 700, 710 F (MM): 18, 22, 28, 35, 48, 59, 69, 78, 78, 93, 119 G (MM): 7, 8, 10, 14, 17.5, 22, 19, 22, 26, 31, 35 Usage These straining screws are perfect for various applications requiring tensioning and adjustment, making them a versatile choice for both professional and DIY