Replacement Parts Compatible with Hamilton Beach bls, Fits Glass or Plastic Jars, Not Compatible with Wave Action or Wavestation Models, Designed to Extend the Life of Your Hamilton bl, Helps Reduce the Need for Replacement Units Main Features: Black Plastic Base with Four-Point Fusion Blade for Efficient Blending, Sharp and Durable Design, Grey Rubber O-Ring Gasket, Black Plastic Screw Cap, Ensures Tight Sealing and Leak Prevention Quality Construction: Includes Steel Bl Knife and Rubber O-Ring Sealing Gasket for Reliable Performance Installation Instructions: Unplug Bl Before Beginning Repair. Required Tools: Flathead Screwdriver and Hammer. The Drive Coupler Has a Left-Hand Thread – Rotate Clockwise to Remove and Counterclockwise to Secure Color: White + Black + Gray Material: Plastic Package Contents: 1 x Blade, 1 x Bl Jar Base, 2 x Rubber O-Ring Sealing Gasket Note: This Package Includes Only the Items Listed Above. Other Accessories Are Not Included. Lighting and Display Differences May Cause Slight Color Variations Between Image and Actual Item. Measurement Allowance: +/- 1-3 cm