Silverline Sleeved High Security Chain 900mm

Amazon

10 mm thick hardened steel links Internal link size 16 x 50 mm for use with large shackles Yellow passivated for increased corrosion resistance Hard-wearing sleeve to reduce impact damage, Weight: 1.78 pounds, Manufacturer: SLTL4

Zoro Tools

Hardened steel with 10mm thick links. Large internal link size (16 x 50mm) for use with large shackles. Yellow passivated for increased corrosion resistance. Hard-wearing sleeve to reduce impact damage.

ManoMano

Hardened steel with 10mm thick links with large internal link size (16mm x 50mm) for use with large shackles. Sleeved to reduce impact damage. Compatible with Silverline E-Type Armoured Padlock 633702.