brass cylinder lock 1)material:brass,iron,zinc alloy & aluminium alloy 2)keys: noraml computer 3)specification:17 brass cylinder lock2) Material : brass,iron,aluminium alloy and zinc alloy3) Surface finishing : brass polished,nickle plated ,chrome plated,golden,nickle brushed,brass brushed,matt4) Normal key or computer key5) Double opening or single opening6) Inner package : color box / blister ...