NotePlease note the blades need to be used with the tube cutter,not universal type. Durable and Wear-resistanceThe bicycle tube cutter is easy to cut head tube,handlebar,seat post,etc (can't cut carbon fiber product). 10-piece high-carbon steel dedicated blades set,durable and wear-resistance. Double Rollers PositioningThe bicycle handlebar tube cutter has double rollers positioning,avoid deviation,63-70 HRC blade hardness. Why Choose Keenso-- High reliability and performance, durable and long lasting. 100% test before shipping, fast money refund & new replacement We provide 100% perfect customer service, please contact us if there is ANY problem High QualityThe bicycle tube cutte is made of high quality aluminum alloy, sturdy and durable. Sharp cutting tool,there is a spare blade on the cutter top. Feature: 1.Made of high quality aluminum alloy, sturdy and durable. 2.Double rollers positioning,avoid deviation,63-70 HRCblade hardness. 3.Sharp cutting tool,there is a spare blade on the cutter top. 4.Easy to cut head tube,handlebar,seat post,etc (can't cut carbon fiber product). 5.10-piece high-carbon steel dedicated blades set,durable and wear-resistance. 6.Please note the blades need to be used with the tube cutter,not universal type. Specification: Material: aluminum alloy Diameter: 6-42mm Size: Approx. 15*6*2.6cm / 5.9*2.4*1.0 inch Package List: 1 x Headset Cap