Description: Item: 12pcs Blind Hole Kit Item Material: carbon steel Ideal for pulling jobs requiring an internal pull. Equipped with 8 collets of different sizes, Fitting a wide range of applications. Select the appropriate sized collet by comparing it with the application. Insert collet, expand it to fit the hole, and attach the slide hammer assembly Specification: Slide Hammer with T-handle Hammer Length: 105mm Shaft Length: Slide hammer shaft 360mm 8x collet Length: About 45mm 1 pc 8 - 10MM (51/6" - 13/32") 1 pc 10 - 12MM (13/32" - 15/32") 1 pc 12 - 14MM (15/32" - 9/19") 1 pc 15 - 17MM (9/32" - 11/16") 1 pc 17 - 20MM (11/16" - 25/32") 1 pc 20 - 24MM (25/32" - 15/16") 1 pc 25 - 29MM (1" - 1-1/8") 1 pc 30 - 32MM (1-3/16" - 1-1/4") 2x Regulating Valves Length: About 73mm Package List: 1x Hammer 1x T-handle 8x Fixture 2x Regulating Valves 1x carry case Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.