New Old Stock Crank Extractor of unknown origin Used For Right Crank Threads Only This has a 15mm socket head used for removing the crank bolt prior to remover It looks like SR or Cyclo brand but has no markings and may have come from the tools we purchased from UBS a decade ago. A lot of one off samples. Super Cool Tool To Have In Your Toolbox Visit My Pricetronic Store: for thousands of new old stock, vintage and modern bicycle parts. We're the online bike parts dealer for rare components and spare parts for your restoration and repair. Here you will find original pieces of cycling history that cannot be found anywhere else. Please use at your own risk . We decline liability for any damages resulting from use of these items, most of which are decades old. Vintage NOS Bicycle parts is an environmentally friendly business. We use recycled packaging & materials the large majority of the time and nothing in our store has been manufactured for us or is being made currently for sale. International Customers you are responsible for paying your countries customs duties. We will not declare a lower value on customs documents.