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. Featuring a quick-change long chuck structure, this adapter enables fast bit changes without additional tools. Simply twist to tighten or loosen, saving time during frequent bit replacements and helping you work more continuously and smoothly on various projects. This 2.0 to 13mm keyless drill chuck converter is designed to quickly convert your electric hammer into a versatile drilling tool. 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