Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. Safely removes countershaft seals with an ID of 29 mm to 47 mm. Works on off-road, street and ATV engines. Unique expansion mechanism ensures seal is pulled straight and will not damage engine cases during extraction. The only puller designed specifically for countershaft seals. Durable steel construction.