Our workshop sets provide a comprehensive selection of tool sizes, aimed primarily at the professional workshop environment. The sizes chosen reflect the most common sizes encountered in bike maintenance. The wind-out blind bearing puller consists of two parts: An inner puller similar to our V2 expanding blind bearing puller, that matches the bearing ID and width An outer cup that should be selected to be 1-3mm larger than the bearing OD The inner pullers and outer cups can be mixed and matched to suit a wide range of bearing sizes. Each tool is engraved with it's size for easy identification. A detailed description of our wind-out blind bearing pullers can be found here. Each workshop set includes: Inner puller sizes 8x7mm, 10x5mm, 10x6mm, 10x8mm, 12x5mm, 12x6mm, 12x8mm, 15x5mm, 15x7mm, 17x5mm, 17x7mm, 17x10mm, 20x7mm (select to match bearing ID and width) Outer cup sizes 21mm, 23mm, 24mm, 26mm, 28mm, 30mm, 32mm, 34mm (select to be 1-3mm larger than bearing OD) Two wind-out bolts for 8-12mm tools and 2 bolts for 15-20mm tools Two spare bolts to allow wind-out tools to also be used as tap-out tools Tough segmented organiser box Laminated instruction sheet (English default, other languages on request) 2-year no-quibble warranty Please allow 2 working days for dispatch.