External BB Tool For 3/8" Socket Driver

- Shop quality external bottom bracket tool constructed of durable heat treated steel that is CNC-machined for an extremely accurate tool engagement\n- Designed for use with the 32mm CNC Rod (LZ-9400), an adjustable wrench, or 3/8" socket driver\n- Compatible with most external style bottom bracket systems\n- Dimensions: 56mm, 56mm, 34.2mm