This tool set will fit multiple different Oster models. Features: Made of fine quality material, long-lasting to use. Will fit multiple different Oster models. Make your oster blender work perfectly as if it were new. Easy to use and operate. -Replacement cutter : 1.Stainless steel blade. 2.Ice crushing power. 3.Fits , plastics, and stainless steel jars. 4.Long-lasting to use. 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 lip of the jar 2.Do not install beneath the blender blade assembly or between the blade and the plastics 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 plastics 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 time to check the sealing-ring to see if it is not cracked or if it has been compressed too much. Specifications: Item type: Juicer Accessories Material: Stainless steel Package weight: 125g/4.4ounces Package size: 100*100*80mm/3.93*3.93*3.14inches Package list: 1 * Replacement cutter 1 * Sealing gasket 1 * 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.