Features: * brand new and high quality *Made of high quality material, durable and practical to use *Fit and fall again: For AVID full range of oil discs, brakes with StealthamaJig written on the brake lever must use this olive head Specifications: *Material:Stainless steel + aluminum alloy *Color:As Pictures Show *Size;Outer diameter*Inner diameter 5*2mm(Approx.) *Optional Types:Without Wrench,With Wrench Installation method: Step 1: Through the tubing screw, turn the oil needle into the tubing clockwise with T8 spanner. Step 2: Install the olive sleeve. You can screw in the olive sleeve by hand directly counterclockwise. Pay attention to counterclockwise Step 3: Install to AVID's brakes Package Contents: Package1:10 set Brake oil needle olive head Package:10 set Brake oil needle olive head+1*Wrench Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.