Impact Adapter Square Socket For Drills Extension Driver Bits Hex Impact Socket Sufficient supplies: the package comes with 10 square socket adapter bits, sufficient quantity can meet your daily needs and replacement Apply to: this hex socket adapter is especially designed to be applied as a plug-in handle when manually driving applications or with power tools; The total length is about 6.5 cm/ 2.6 inch, easy to carry and store Material: featuring quenched high speed steel material, the socket bit adapter is sturdy, smooth, with high strength, and can be applied for a long time; The size of the square tip is about 73 mm/ 1/2 inch, and the size of the hexagonal handle is about 6.3 mm/ 1/4 inch; Before placing an order, please confirm the size to avoid an unpleasant shopping experience Double size conversion: 10 mm hex impact socket can convert the original hexagonal polygon size to square head size, so you can use it to install the socket; It is a nice accessory for conversion, which improves work efficiency and brings many conveniences Bearing design: each square head of the socket adapter has a spring ball bearing part, which can effectively fix the socket and avoid sliding