Jacobs Chuck Press Ring(8.5N, 11N, 14N, 16N, 18N, and 20N. The 11N Service Ring is also compatible with Jacobs 6A-33)

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Damage Free RepairImproper removal and assembly of your Jacobs Super Chuck can permanently damage the sleeve and other components. Service Rings are engineered to perfectly match t he bevels on your chuck, allowing for damage-free removal and installation - increasing the life of your chuck. The Service Rings have machined bevels while the DIY service rings kits have all the instructions and supportive materials you need to match them. The Perfect FitEach Jacobs Super Chuck has a different size and product specifications, making it difficult to service multiple chucks with the same service ring. The double-sided service ring is designed to specifically match the contours on a given Jacobs Chuck, giving you the perfect fit for the chuck in your shop. Sizes are available for all chucks 8.5N, 11N, 14N, 16N, 18N, and 20N. The 11N Service Ring is also compatible with Jacobs 6A-33 Chucks. VersatileWith IDs ranging from just over 1" to 2.5" and ODs ranging from ~1.5 to over 3.5", this is a versatile addition to your press and will work-holding easier. Built to LastThese service rings are machined out of 6061 Aluminum and are designed to last for repeated use. Jacobs Super Chucks are designed to last generations with the proper care and maintenance, and the right service ring will last just as long. Note: The Super Chuck is not included in the purchase of a Service Ring. A tube of Mobilgrease XHP 222 is included with the set of all rings Show more