Granit - the strongest lock built by ABUS ! Developed to provide maximum security, even in extreme weather and environmental conditions. The Granit has been approved as a Class 3 Security Device by the Swedish Theft Prevention Association (SSF). The SSF is comprised of international law enforcement and insurance agencies. The Granit Malleable Iron Shackle on the 37/60 covers the sides of the shackle, preventing prying, cutting and sawing. The double ball locking mechanism is guaranteed a 6 ton pulling test. Granit maximum security construction features include :

• 37 Series offers virtually pick-proof 7 Disc Tumbler Cylinder with 250,000 key options
• Special Symmetrical key can be inserted either way
• 36 rekeyable series has five bronze mushroom pins
• Operates smoothly up to -40 degrees F.
• Core-hardened shackle and lock body (an ABUS exclusive feature) that won't fracture with freon sprays