Estiq Bike Bicycle Bottom Bracket Removal Remover Tool, 20 Teeth Fit (Silver) 100% brand new, high quality and practical, Heavy Duty Metal construction, Fit for any brand type bottom bracket. Suitable for any 20 teeth splinted type bottom bracket. Can be used with either a 24mm socket, wrench or an adjustable spanner Material: High strength steel, Great quality ensures that it will not damage the BB teeth. A necessity small tool for repairing bicycles, Small and handy for any bike own to keep in the toolbox.