PrePackaged Tool Kits take guesswork out of product selection, offer the best value, and feature smart tool combinations for specific applications. They contain just about everything you need to get to work - motor, speed control, handpiece and accessories. Jump rings are an integral part of jewelry-making. They form connections and are used to make chains, jewelry and chain maille. Foredom K.8301-307 combines the K.8301 Flex Shaft Set with an AK307 Pepe Tools Jump Ring Maker. It is perfect for jewelers who want to produce hundreds of jump rings, accurately and quickly and safely. Motor and Speed Control carry a 2-Year Limited Warranty. Components: 1. Series SR Motor: Foredom’s most popular and best motor for general use. The 1/6 HP, ball bearing, hang-up style; M.SR runs in forward and reverse at speeds up to 18,000 RPM. It comes equipped with a motor bale for hanging, and Foredom's standard 39? long key tip inner shafting for connecting to any of Foredom's interchangeable handpieces. 2. C.FCT Speed Control: Foredom’s most popular foot operated speed control has solid state electronics and comes in a heavy duty plastic housing with an extra wide design. 3. H.30 Handpiece: Foredom’s most popular general purpose handpiece features a 3-jaw, geared chuck with a 0-5/32? capacity. Accessory changes are easy using the supplied HPCK-0 Chuck Key in molded plastic handle. 4. AK307 Jump Ringer Kit: 20 mandrels ranging from 2.5mm 12mm, Keyless winding chuck with handle, Coil holder and Saw attachment designed for use with Foredom H.30 Handpiece. 6. Flexible Shaft Grease