General description Eye Self Locking Hook Grade 80 20MM is a high-quality lifting accessory designed for use in the lifting gear industry, particularly for chain slings. This autolock hook features a self-locking mechanism that enhances safety during lifting operations, ensuring that the latch closes automatically under load and preventing accidental release while under pressure. Technical specifications Material: Grade 80 (G80) Chain Size: 20MM Finish: Yellow (may vary) Factor of Safety: 4:1 Conforms to: BS EN 1677 Product Codes and Specifications: SFYASEAH07: SWL 2 Tonne, A 128 MM, B 24 MM, C 18 MM, D 35 MM, E 164 MM, F 10.5 MM, G 23.5 MM SFYASEAH10: SWL 3.15 Tonne, A 160 MM, B 27 MM, C 22 MM, D 44 MM, E 200 MM, F 12.5 MM, G 31 MM SFYASEAH13: SWL 5.3 Tonne, A 194 MM, B 32 MM, C 29 MM, D 50 MM, E 242 MM, F 17 MM, G 40 MM SFYASEAH16: SWL 8 Tonne, A 235 MM, B 39.5 MM, C 34 MM, D 60 MM, E 295 MM, F 20.5 MM, G 48.5 MM SFYASEAH20: SWL 12.5 Tonne, A 280 MM, B 58 MM, C 49 MM, D 88 MM, E 360