LB1 High Performance Bike Bicycle Multi-Tools (20 Functions) Repair Kit with Tire Patch, Tire Lever, Durable Nylon Bag Bicycle Cycling Maintenance Repair Tool Set - 12 Month Warranty 20 Multifunction Tool. 2 Piece Body. Tire Patches. Durable Nylon Carrying Case.Designed by Professional Technicians for Repairing Electronics, Mobile Cell Phones, Laptops, and Gaming Systems. Chain tool is compatible with single speeds - most multi-speed chains and 10-speed chains. Material Construction: Engineering grade plastic frame with hardened steel tools. Dimensions: 3.4 x 1.7 x 1.6". Weight: 0.6 lbs. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 12 Months Warranty and 30-Day Money Back Guarantee.