Pin tumbler security 2 brass keys Exclusive dual steel levers lock both sides of case-hardened, 9/32 diameter steel shackle 3/4 vertical and 5/8 horizontal clearances 1-1/2 wide laminated case 3D: Keyed differently, carded 3T: Keyed alike, 2 per card 3KA 0324: Keyed alike to 0324, boxed 3KA 0698: Keyed alike to 0698, boxed 3KA 3795: Keyed alike to 3795, boxed