• Overall diameter of lock: 40mm.
• Pin Diameter: 21mm
• Supplied with 3 keys
• Fits up to 16mm link diameter chains

The PJB Untouchable Disc-Lock is a high security superior product. It has a compact 21mm double locking shackle which is tested to a six ton pull. Furthermore, it has a multi-disc / anti drill cylinder with dust cover. This disc lock is Classe SRA and FFMC recommended - French approved and can be used in conjunction with 14mm or 16m link diameter security chains. Replacement lock for PJB Secure A Door Garage Door Lock and PJB Secure A Door Roller Shutter Lock.