PowerCoil Workshop Kits are available in sizes M5-12, M6-M14, and UNC 1/4-1/2, UNF 1/4-1/2. Power Coil Workshop Kits are fully compatible with others such as Emhart Helicoil, Alcoa Recoil, Voelkel V-Coil, VCoil, V Coil, Armstrong Armacoil, Filtec, Kato Coilthread, Timesert, WTI Workshop Kits. Contact us for more information on PowerCoil Workshop Kits or for PowerCoil catalogs.