It allows easy and secure clamping of drill bits within a 2.0-13mm range, eliminating the need for a traditional keyed chuck and improving work efficiency. This 2.0 to 13mm keyless drill chuck converter is designed to quickly convert your electric hammer into a versatile drilling tool. Simply twist to tighten or loosen, saving time during frequent bit replacements and helping you work more continuously and smoothly on various projects. Featuring a quick-change long chuck structure, this adapter enables fast bit changes without additional tools. Specifically engineered for hammer drills, this chuck converter is compatible with GBH2-26DFR, GBH2-28DFV, 4-32DFR electric hammer models. It offers a stable fit and reliable performance, making it an ideal accessory for both professional users and DIY enthusiasts., Weight: 0.84106352953 pounds, Manufacturer: Frewurwer