For SURRON Light Bee X Segway X260 X160 First-level Transmission Chain Gear Set For Surron Primary Drive Sprocket Set Accessorie. High-quality vise-perfect for setting stones. Rotation is smooth and precise! This tool makes engraving so much easier. ? We take pride in 5-star service and high-quality products. Secure Packaging – Carefully packed to prevent damage. Tracking Provided – For all domestic and international orders. We’re here to help! Message us anytime for product details, model selection, or usage tips. 5-Star Customer Feedback. 100% Satisfaction Guarantee.