ApplicationDurable 5C Collet Block Set Hex Square Rings & Collet Closer Holder For LathesSpecificationItem Type: 5C Collet Block Set Scope of Application: Suitable for fast setting of milling machines, lathes, surface grinders and drilling machines. Package Includes: 1 * Hex Collet Block 1 * Square Collet Block 1 * Handle 1 * Accessories Set compatible for Case Color: random shippedNote* Please check our store for other auto parts you may be interested in. * Please feel free to contact us for whatever we can help.