"Product Description1.Name: Bike Chain Remover/Bracket Remover/Freewheel Remover/Crank Puller Bike Repair Tool Kit2. Material: Carbon Steel3. Specification: 20 Teeth4. Applicable: Bicycle, Mountain Bike, Etc.Package Includes: 1X Bike Tool Set1. High Quality Materials: Made Of High Quality, Durable Rust-Proof Steel. Guarantee A Very Long Life. Most Tools Are Made Of Carbon Steel Under High Temperature Forging.2. Bike Repair Tool Set: Bike Chain Puller, 3-In-1 Functionality, Chin Whip, Sprocket Wrench, Hook Lock Ring Tool And Bottom Bracket Assembly Tool In One. /P>3. Unique Design: All Of Them Are Of High Quality And Perfect Design. Bike Tool Set Essential Tool For Installing And Removing The Inner Or Bottom Bracket On The Bike. All Five Tools Do Their Job Perfectly.4. Fits Most Bikes: Bike Tool Set, Perfect Solution For Road Bikes, Mountain Bikes, Racing Bikes And Other Types Of Bikes. All In All, The Necessary Tool For Any Cycling Enthusiast, Outdoor Riding.