Replacement Parts Compatible with Hamilton Beach Bls: Fits glass or plastic jars for most Hamilton Beach bl models; not compatible with Wave Action or Wavestation models. Helps extend the life of your bl, providing a cost-effective alternative to purchasing a new unit. Main Features: Black plastic base with four-point fusion blade for efficient blending, sharp and durable design. Includes grey rubber O-ring gasket and black plastic screw cap for reliable sealing and leak resistance. Quality Construction: Features a steel blade and rubber O-ring sealing gasket for long-lasting performance. Installation Instructions: Unplug the bl before beginning any repair. Tools required: flathead screwdriver and hammer. The drive coupler has a left-hand thread—rotate clockwise to remove and counterclockwise to tighten. Color: White + Black + Gray. Material: Plastic. Package Contents: 1 x Blade, 1 x Bl Jar Base, 2 x Rubber O-Ring Sealing Gasket. Note: Light reflection and display settings may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3 cm.