[COMPATIBLE REPLACEMENT PART]: This hammer drill chuck is precisely designed as a direct replacement for Bosch 1618598175 models including 11222EVS, 11236VS, GBH4DSC, and GBH4DFE, providing reliable performance for SDS PLUS type rotary hammer needs. [PREMIUM CONSTRUCTION]: Crafted with a robust plastic and metal combination, this chuck offers long lasting performance even under demanding work conditions, maintaining excellent grip and stability during operation. [EASY INSTALLATION]: Simply attach this replacement chuck to your compatible for Bosch rotary hammer for a quick tool upgrade or repair, getting you back to work with minimal downtime and hassle. [PROFESSIONAL GRADE]: Engineered to meet rigorous standards, this hammer drill chuck delivers consistent performance for both professional contractors and DIY enthusiasts working on challenging drilling projects. [VERSATILE COMPATIBILITY]: Works with multiple for Bosch models including 11222EVS (0611222739), 11222EVSG (0611222783), 11236VS (0611236739), and GBH4DSC (0611222734) rotary hammers, making it a valuable addition to your power tool accessories. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: As Shown Material: Plastic+Metal Package Contents: 1 x Hammer Drill Chuck