1. COMPATIBLE MODEL: This Die Grinder Collet N383609 is specifically designed for DCG426B Type 1, DCG426M2 Type 1, DWE4887 Type 1, DWE4887 Type 2, and other DWE4887 variants, ensuring a precise fit for your power tool needs. 2. MATERIAL: Crafted with grade materials for a lasting performance, this collet maintains its grip strength over time, providing reliable holding power for various grinding applications in your workshop. 3. PRECISE DIMENSIONS: Measuring approximately 1.15 x 0.45 x 0.45 inches, this replacement collet offers exact specifications to match your original equipment, guaranteeing proper alignment and function. 4. EASY INSTALLATION: Simply your worn or damaged collet with this direct replacement part, restoring your die grinder's functionality without the need for professional assistance or special tools.