1、The socket adapter is integrally formed, with glossy exterior without burrs, and smoother installation. 2、The exterior of the adapter is coated with anti‑corrosion paint, which not only improves the smoothness but also is more durable. 3、The socket adapter is locked tightly to ensure that it is firmly installed on the ratchet wrench and will not slip off easily. 4、The adapter is 1/4 to 3/8 specifications, select the appropriate ratchet wrench and screwdriver bit. 5、The adapter kit is mainly used to assist the ratchet wrench to tighten the screws and is an indispensable tool in industrial manufacturing. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.