3/8" 1/4" 1/2" 3/4" Socket Adapter/Impact Extension Converts Electric Drill Bit Into High Speed Socket ScrewdriverOOTDTY Features: ● Premium Quality: It is made of vanadium steel and has been heat treated with black oxide coating. It has good performance in withstand normal compression torque.● Product size: the kit includes various adapters and reducers. It will add superior versatility, including the following conversions and sizes, from 3/8" to 1/4", 1/2" to 3/8" diameter reduction, 1/4" to 3/8" Adapter, 3/8" Adapter" to 1/2".● Unique Design: Provides greater flexibility for sleeves and drive tools, and maximizes the versatility of ratchets and sleeves. The spring-loaded mounting ball keeps the plug secure through the through-hole, allowing the use of locking pins and locking rings.● Package Included: 4 inch to 2 inch reducer, 5 inch to 4 inch reducer, 0.2 inch to 0.4 inch adapter, 0.4 inch to 0.5 inch adapter.● Perfect Choice: It is the best choice when working. Specification: ● Material: Metal● Color: Black ● Size: Approx. 3/8" 1/4" 1/2" 3/4"Package Included: 1xPneumatic CommonNote: 1. Please allow 1-2mm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.