General description This 5/8" x 5/8" Square Head Bow Shackle is designed for marine and commercial fishing applications. It features a square head pin, making it ideal for trawlers and situations where a standard pin head could potentially damage expensive equipment. Manufactured from drop forged mild steel, this shackle is robust and reliable, although it is not intended for lifting purposes. Technical specifications Size: 5/8" x 5/8" Body Finish: Self Colour Manufactured: Drop Forged Available Codes and Dimensions: SFTBS10: A (10 mm), B (9.5 mm), C (18 mm), D (18 mm), E (42.5 mm), F (30 mm), G (15 mm) SFTBS12: A (11.5 mm), B (12 mm), C (26.5 mm), D (21.5 mm), E (50 mm), F (39 mm), G (19.5 mm) SFTBS12A: A (12 mm), B (15 mm), C (24.5 mm), D (29.5 mm), E (49.5 mm), F (35 mm), G (17.5 mm) SFTBS16: A (15 mm), B (15 mm), C (31.5 mm), D (26.5 mm), E (62.5 mm), F (47.5 mm), G (23.75 mm) SFTBS16A: A (15.5 mm), B (19.5 mm), C (31 mm), D (33.8 mm), E (67 mm), F (50 mm), G (25 mm) SFTBS20: A