Be confident in your purchase, we're an Authorized Kukko Dealer! Highlights: Made In Germany. LIGHT SHIFT: Free-moving, self-retaining jaws with internal spring washer. Also known as a blind hole puller or pilot hole puller. If your job demands the extraction of inner bearings, bearing outer rings, and bushings you're going to want the the Kukko 12mm - 34mm Ball Bearing Extraction Kit With Counterstay Slide Hammer Features: Use of the internal extractor in combination with slide hammers or counter stays. The segmented design with extra fine grasp edges ensures safe extraction. Instructions on the cover. Secure storage in special foam. Personal KUKKO-Chip-Code. Kukko Advantage: Practical package for universal use. Thanks to the Kukko modular system, the counterstay and the sliding hammer can be combined and subsequently completed with segmented internal extractors, needle bearing extractors, threaded inserts, etc. Almost all components available as replacement parts, time-saving order process thanks to numbering system. Complete easy-to-manage package. Quality made in Germany. Strong design, high performance and long service life. Self-healing corrosion protection KUKKoating for galvanized parts (WITHOUT chrom VI). Safety label to ensure protection of intellectual property. A tube of KUKKO special grease included for pressure spindle. Specs: Inner diameter of ball bearing: 12 - 34 mm (3/16 - 1 3/8 inch) Overall length of slide hammer: 240 mm (9 3/8 inch) Mass of impact: 0.5 kg Slide hammer rod connection thread: M10 Internal thread: M10 M10 Threaded adapters (IG + AG): AG: M10 - IG: M7 Weight: 3.255 kg What's included: (SKU and Item Name) 22-0 Slide hammer device 22-1 Counterstay 21-1-E Internal extractor with segmented grasp edge 21-2-E Internal extractor with segmented grasp edge 21-3-E Internal extractor with segmented grasp edge 21-4-E Internal extractor with segmented grasp edge Read Before Buying: -This item is intended for professional technicians. Please make 100% sure this is the item you need before purchasing. -This item is covered under the manufacturers warranty for defects. However, returns (for any reason) are NOT accepted.