Oumers Bike Crank Extractor/Arm Remover and Bottom Bracket Remover with 16mm Spanner/Wrench. Professional Bicycle Repair Tool Kit Why Oumers: “Oumers” is a registered trademark of United States Patent and Trademark Office Oumers has at all times adhered to ” Top of the range products , good customer experience” business purposes. Committed to providing you with high-quality products and quality services and products. Features: The item is a professional and practical bike repair tools kit. A necessary crank set removal tool for out of doors biking, also It is ideal for any home bike mechanic, which is principally made of high-grade hard metal material. – -Material: durable harden alloy steel – -Suitable for standard square taper crank. – -Handy for any bike owner to keep in the toolbox. – -Simple to use, also good for home mechanic Warm Prompt: 1，30 Days Money Back Guarantee and be free from defects in material and workmanship 2，If you receive the item with any problems, please contact us at the first time, you’ll get the most productive after-service 3，We will be able to do our best to lend a hand until this is fully resolved. Have a great time!