The ABUS 90RK Series TITALIUM™ Padlocks have a solid lock body made from TITALIUM™ and a stainless steel shackle. Marine grade padlock which offers the maximum corrosion resistance. The rust-free internal components offer durable security with the closed shackle offering additional protection. It has a 6-pin tumbler cylinder with anti-pick mushroom pins to help resist picking and the rekeyable mechanism allows locks to be changed to new key. Can be made to sample key or master-keyed on request.This ABUS 90RK/50 TITALIUM™ Padlock has a closed shackle that features an integral shackle guard to protect the shackle from attack with tools. It has the following specification: ABUS Security Level: 8.Keyed Alike Key Reference: 2745. Shackle Width: 20mm.Shackle Height: 22.5mm.Shackle Diameter: 9.5mm. Overall Width: 50mm.Overall Height: 81mm.Overall Depth: 23mm.