Type: Y Shape Bike Internal Hex Wrench, practical and portable,perfect for outdoor cycling use. Hex Size: 4mm 5mm 6mm. Three models hex wrench, extensive use purposes, applicable to different requirements. High Quality Material: Made of high rade steel, high hardness, large torque, sturdy and to use. Chrome plated , anti-rust, anti-, long service life. Y-shape Design: Trident design easy to force, less effort and more efficient. Use: A necessary tool for Bicycle repairing or maintenance, perfect for bikes, tool projects, building, furniture, and more. Colour:silver + red Material:Plastic + Steel Package Contents: 1 * three- socket head tool Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.