Usage Tips:Package Included: The package includes 1 piece of blender blade, 1 piece of jar base cap, 1 piece of coupling stud slinger pin and 4 pieces of rubber o ring seal gaskets. A complete collocation set to meet your daily use. Quality Materials: The blender replacement parts are made of high-strength stainless steel , sturdy plastic base, rubber gasket, strong and reliable, not easy to break, long lasting. The tight-sealing jar bottom cap and O-rings prevent leaks and spills. Easy to Replace: These replacement parts are very easy to install and replace, effortlessly crush fruits, vegetables and milkshakes into a delicious texture. They can perfect for all your blending and mixing needs. Compatibility: This Blender parts for Osterizer fits models that the outside diameter of the base of the blade is 2 3/4inch. (Does NOT fit Pro, Master, or models. Please note that our product is not sponsored or endorsed by, or affiliated with the it fits, including for . Product Size: Jar base cap measures 7.8x7.8x3.2cm/3.07x3.07x1.26 inch, blade 6.6x6.6x5.5cm/2.59x2.59x2.16 inch, and o ring seal gasket 6.6x6.6x0.2cm/2.59x2.59x0.07 inch, coupling stud slinger pin 3.3x3.3x3cm/1.3x1.3x1.18 inch; please check the size before purchasing. Colour:As Shown Material:Plastic Package Contents: 1 x jar base cap 1 x blender blade 1 x coupling stud slinger pin 4 x o-ring gaskets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.