Replacement Parts for Oster Osterizer Blender Cutter Blade Base Cap and Gasket Features: -This assembly will fit multiple different Oster models. -Replacement cutter : 1.0Stainless Steel Blade. 2.Ice Crushing Power. 3.Fits glass, plastic, and stainless steel jars. 4.Durable. 5.Refresh and revive, add years to the life of your Oster blender. 6.Keep your Oster blender functioning as flawlessly as the day you brought it home. -Gasket: 1.Mounts between the blender blade assembly and the glass lip of the jar 2.Do NOT install beneath the blender blade assembly or between the blade and the plastic base cap - this will result in a leaky jar and poor fit. 3.Depending on how frequently the blender is used, the sealing ring can become brittle and cracked or compressed so that it will not create sufficient seal to keep the contents of the jar from leaking out of the bottom. -Bottom Base: 1.The purpose of this item is to hold the blade and seal in place at the bottom of the blender jar. 2.Because it has plastic threads they will wear at times and the jar will leak. 3.Over tightening may crack this part, dropping it may break it and excessive heat may warp it 4.Once you have this part off, this is a good time to check the sealing ring to see if it is not cracked or if it has been compressed too much. Package includes: 1 x Replacement cutter 1 x Sealing Gasket 1 x Bottom Base Note: 1.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. 2.Please allow little differs due to manual measurement.