Features: This product is suitable for most 5 series chains, suitable for 520 525 530 side plate motorcycle ATV (this chain is for most 530 chains, please confirm the chain size before purchasing). The main chain crimping tool can easily press the main chain plate of the clip-on chain up and down, making the crimping easier without the risk of damaging the chain. Made of lightweight aluminum billet construction, hardened steel pins, blue anodized surface, wear and corrosion resistance, oxidation resistance, can be used for a long for time. Please Note: Not suitable for breaking rivet main chain. Will not damage master links. Specifications: Material:Aluminum Size:Approx.4.5x4.7cm/1.77x1.85in Net Weight:143g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Master Link Press Tool