Check the listing for details. 2 PCS Keys Duplicating Fixture Clamps For Key Blank Cutting Machine Accessories. Color: Silver, Condition: New. Listed at 14.79 USD. For Honda No. 25 HON66 key blank fixture needs to select the 9.1mm width. 8.1mm width is a small size key blank external milling fixture, both specifications can be used for civilian cars. Applications:Key cutting, key copy, car keys, door keys.