Cold mounting, or mechanical mounting for small and medium sized bearings. This fitting tool set has been specially designed for quick, accurate, damage free and safe mounting of bearings with a bore varying from 10 to 50 mm. Also for  bushings, sealing rings etc. Typically Ships in 1 to 3 days IMPACT 33 consists of : 33 rings 3 impact sleeves (alu) dead-blow hammer carrying case for bore 10 to 50mm and O.D. 26 - 110mm suitable for 375 different bearings weight: 4,8 kg Your benefits: Quick, precise and safe mounting No more damage to shafts, bearing houses or sealing rings Extended life cycle of bearings The impact resistant plastic collets are made of unbreakable sheet material, contrary to easily breaking injection molded collets. The collet numbers are clearly engraved and marked, to avoid mistakes.