The Subrosa Shield Lock. Specifically designed to be our top level of security, we\'ve crammed all of that strength into a manageable shape and size that still fits in the back pocket of your jeans. You should have no reason to go ride without it! Hardened steel body and shackle resists cutting, sawing, and prying Fits in back pocket of most jeans Soft PVS shackle cover to resist paint damage Double locking shackle withstands enormously high pull force Disc lock barrel with 1400 minimum key combinations for superior picking protection Tough POM body cover for scratch and weather resistance Size: 8\" long x 5.25\" wide Weight: 31.6 oz