Approved to Gold Sold Secure standard, the "Eiger™" D Locks offer the best value D lock available today tested to the highest standards. Features include : - Hardened alloy steel shackle - 13mm -Armoured steel lock body -Disc tumbler locking mechanism -Two keys provided -Eiger™shackle clearance 230mm -Horizontal shackle clearance 105mm -Carrying bracket included -Available in four colours, blue, red, green and yellow -Octagonal sleeve on shackle