Use with hammer handpieces H.15, H.15D and H.15SJ. Also works with Foredom micromotor hammer handpiece HPMH-011 that comes in micromotor kits K.1080 and K.1090. Fits 1/8-48 US and all standard 3mm threads. Fits Swiss-made Badeco hammer handpiece. Made in USA HP10171 Ball Nose 3/32″ (2.35mm) dia. HP10172 Fine Point .015″ (.4mm) dia. HP10173 Square 3/32″ (2.35mm) HP10175 Cylinder 7/32″ (6mm) dia. HP10176 Rectangle 3/32″ x 3/16″ (2.35mm x 4.8mm) HP10179 Bezel Rocker 5/16″ x 1/16″ (8mm x 1.6mm) AK101 includes one each of HP10171, HP10172, HP10173, HP10175, HP10176 and HP10179 in a plastic case with cover and a wrench pin. Check Out The Foredom Tools Catalog SKU: FOR-HP10172 UPC: 098666718216 Brand: Foredom MPN: HP10172 Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided.N067P