euro profile lock brass cylinder 1.size:60mm,70mm,80mm,90mm 2. s groove key or computer key choice 3. European standard. euro profile brass lock cylinder1. finish: polished, nickle plated, chrome plated2. size: 30+30mm, 30+40mm,30+50mm,30+60mm3. key: s groove or computer groove4. diameter: European standarded.