General description Square Head Dee Shackle with Screw Pin, designed specifically for trawlers and applications where a standard pin head may cause damage to expensive equipment. Manufactured from drop forged mild steel, these shackles feature a square head pin for enhanced durability and functionality. Technical specifications Body Finish: Self Colour Manufactured: Drop Forged Available Sizes: Code SFTDS06: A (5.5 mm), B (5.5 mm), C (24 mm), D (13 mm), E (11.5 mm), F (10 mm) Code SFTDS08: A (7 mm), B (7 mm), C (31 mm), D (17 mm), E (15 mm), F (11.5 mm) Code SFTDS10: A (9 mm), B (9 mm), C (38 mm), D (19 mm), E (18.5 mm), F (14 mm) Code SFTDS12: A (11 mm), B (11 mm), C (46 mm), D (24 mm), E (22 mm), F (16.5 mm) Code SFTDS12A: A (12 mm), B (15.5 mm), C (50 mm), D (21.5 mm), E (25.5 mm), F (19 mm) Code SFTDS16: A (15 mm), B (15 mm), C (63 mm), D (32.5 mm), E (29.5 mm), F (22 mm) Code SFTDS16A: A (15 mm), B (19 mm), C (67 mm), D (31 mm), E (33 mm), F (24.5 mm) Code SFTDS20: A (18 mm), B