4-POINT BLADE 4-Point Blade Can Upgrade Your Current Blender, Helps Your Blender More Faster,4-point design to pulverize and chop with precision Durable blending blade effortlessly crushes ice and works through ingredients with ease. Well Connected With Oster Blender Our Replacement Blender Blade Combination Can Be Well Connected With Oster Blender, With Good Sealing Function, No Leakage. GOOD SEALING O RING Made by Premium Quality Food Grade Rubber,With Good Sealing Functions,Superior Toughness,Not Easy To Deformation，Easy To Install,Convenient For Clean. GOOD SEALING JAR BOTTOM Made by Premium Quality Good Plastic Material,Not Easy To Deformation，Easy To Install,Convenient For Clean. 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. This is NOT Oster original product. Any use of the Oster brand name, model or part designation for this product is made solely for purposes of demonstrating compatibility. Replacement Parts For Oster Blender Blades with 4902 Blender Jar Bottom & 4 Point Fusion Blade 4980 & 2 Pcs O Ring Rubber Seal Gasket All blender replacement parts are High Quality Food grade Stainless Steel blades BPA free high impact plastic. 1PCS 4-Point Blade + 1PCS Blender Jar Base + 2PCS Seal GasketDishwasher SafeBPA FREEEASY FOR USINGEASY FOR INSTALLEASY FOR CLEAN Compatible Models - Size：4-point blade（2.6in）；blender jar base（2.5*2.99*1.29in）；seal gasket（2.6in）；Coupling Stud Slinger Pin Kit（1.26*1.103*0.433in） - Fits Most Oster blenders, Osterizers and Oster Kitchen Centers,suitable for 083818-002-089, 124461-000-000, 131062-000-000, 084036-000-000. NOT FIT Oster Versa blenders and oster pro blenders.