The H2X bolt can withstand up to two tons of force and is Abloy's strongest bolt.   It features a 2" hardened bolt and will resist sawing and other attacks.   It comes in an adjustable 2 3/8" or 2 3/4" backset. And includes 4 keys and registration card. 

About Abloy

Abloy is one of the most reputable high security lock manufacturers in the world. Abloy is based out of Finland and their current top of the line lock system is the Abloy Protec/Protec2 system. The Abloy Protec system came out in 2001 and features a unique rotating disk based system with a disk blocking anti pick system that is unique to them. It is completely bump proof and extremely pick resistant (no known picking attacks have been successful). It is well respected as one of the top of the line high security locks in the world. It has one of the largest key spaces of any high security system with over 2 billion possible keys. Virtually all Abloy locks can be keyed to work with the same set of keys. The Abloy Protec2 was introduced in December of 2012 and it makes some refinements to the Abloy Protec system. The primary features include minor additional drill resistance, harder to copy keys with an interactive element and an extended patent through 2031.