<b>Special Design for Threads and Square Tapered Crank Arm Crankset </b></br> - -Material: durable harden alloy steel </br> - -Suitable for standard square taper crank.</br> - -Handy for any bike owner to keep in the toolbox.</br> - -Simple to use, also good for home mechanic </br></br> <b>Package Including:</b></br> 1 X Bicycle Crank Extractor</br> 1 X 16mm Spanner</br></br> 100% Satisfaction Guarantee, Any product issues, we are very happy to either provide a Refund or a Replacement!</br>