Replacement Key with code K0304 for Commodore Key Series K0001 - K1600. Compatible with Manufacturers: Commodore! Order your Commodore K0001 - K1600 file lock replacement keys by selecting your lock code below. The lock code determines the correct key for your lock and will be stamped on your key or the face of your lock if you have lost your keys. Compatible with Manufacturers & Product Specifications: JAPAN / COMMODORE (GCODE/FRAMON) | FILE LOCKS. Key cut on SY1 key blank.