1、Applicable Model: M4 handlebar knob screw can be used for replacement and refurbishment of the original handlebar knob screw, wondeful replacement for DAX 50 70 CT70 ST50 ST70. 2、Easy Grip: The handle threaded knobs with the star bump shape design, more easier to grip. Will not make your fingers slipped when installing. Not fall out in the process of turning. 3、Durable Material: The threaded knob head is made of pp plastic,and the screw post is made of high‑quality carbon steel, which is durable and rust‑resistant. 4、Wear Resistance: The threaded posts work great that won't come loose or tear out. The knob head is wide so there is no risk of deforming or tearing through. They installed together with ease. 5、Easy Installation: Suitable for mini trail bikes and the various chinese clones. Easy to screw and adjust, no tool needed. Just need to screw it right on in 2 seconds, save you a lot of time. 2 x Handlebar Knob Screw Item Type: Handlebar Knob ScrewMaterial: Carbon steel +PP plasticScrew: M8Application: Can be used for replacement and refurbishment of the original handlebar knob screwFitment: Replacement for DAX 50 70 CT70 ST50 ST70