The bit can be attached with a simple push-in, auto-lock mechanism. This quick-catch holder allows for one-handed installation, providing excellent work efficiency. Removal is a pull-up type that prevents accidental disengagement. 【Ultra-Lightweight】 By using aluminum alloy as the main material, we have succeeded in reducing the weight of each holder to about half (9.3g) of the conventional product. 【Cool & Solid Design】 Available in Silver, Red, Blue, Yellow, and Purple. With carabiner Type... Waist tool Other tool types... Impact driver Colorful aluminum driver adapter bit - Colors: Red, Blue, Gold, Silver, Purple - Material: Aluminum - Uses: Keychains, Driver Adapters - Features: Lightweight Thank you for viewing.