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 Sharp Performance, Grey Rubber O-Ring Gasket, Black Plastic Screw Cap, Provides Reliable Sealing and Leak Resistance Quality Construction: Includes Steel Bl Knife and Rubber O-Ring Sealing Gasket Installation Instructions: Unplug Bl Before Starting Repair. Requires a Flat Head 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 Product. Measurement Tolerances May Vary by +/- 1-3 cm