X4P Quattro Bolt locking mechanism secures the shackle at 4 points for maximum securityZ-Cylinder is a new design with improved resistance to bumping, picking, pulling and drilling attacks15mm hardened steel shackle with RockSolid patented coating that resists angle grinder cutting, prying and jackingAutomatic keyway cover seals the lock internals from the elements, prolonging its lifespanNew and improved all metal end caps provide additional protection against hits and dropsMulti layered design is virtually impervious to angle grinder attacksCentered keyway further enhances security and protectionIncludes 5 laser cut keys15mm3.5x7`/8.89x17.78cmKeyBlack99 of 1008590UPC/EAN/GTIN: 768661285906