Features:1. Made of high quality material for durability and toughness.2. Compact, lightweight, portable, easy to use.3. High strength and hardness, strong structure, durable in use.4. Can be used in high accurate measurement, clamping workpiece high accurate grinding.5. Suitable for fast setting of milling machines, lathes, surface grinders and drilling machines.Specification:Condition: 100% Brand NewItem Type: 5C Collet Block SetScope of Application: Suitable for fast setting of milling machines, lathes, surface grinders and drilling machines.Package List:1 * Hex Collet Block1 * Square Collet Block1 * Handle1 * Accessories SetNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.