Features:Excellent value and high quality.This tool makes for a great investment for all bike mechanics - from DIY mechanics at home or professionals in the workshop!Strong, tough and durable, this freewheel remover is designed to last.Next time you want to change your cassette, be prepared!Heat treated alloy tool steel, one inch base fits wrench or bench vise1Suitable for all Shimano cassettes, including Road and MTBSpecification:Internal diameter: Approx 20mmLength: Approx 24mmColor:BlackWeight: Approx 32gMaterial:Carbon steelPackage included:1x Bike flywheel remover tool