Features: 1Made of high quality plastic rubber and metal materials. 2 This is a versatile product to accommodate the blender. 3Replace 6 gears 3 base gears and 3 blade gears. 4All the base gears in the bullet are reversed threads. 5Replacement tool requirements: screwdriver or wrench thick cloth some lubricants. Specification: Features: Made of high quality plastic rubber and metal materials. This is a versatile product to accommodate the blender. Replace 6 gears 3 base gears and 3 blade gears. All the base gears in the bullet are reversed threads. Replacement tool requirements: screwdriver or wrench thick cloth some lubricants. Specifications: Condition:100% Brand New Material:Plastic Rubber and Metal Color: Black and transparent Black: Approx.4*1.1cm/1.6*0.4in Transparent:Approx.4.4*1.1cm/1.7*0.4in Package List: 3*Base Gear 3*Rubber Gear Note:1. Please allow a human measurement error of 1-2cm. thank you for understanding.2. The calibration of the display is different. The color of the items displayed in the photo may be slightly different from the actual one. Please take the authenticity as the standard.