High Quality MaterialSocket adapter is made of high quality chrome vanadium steel and is overall chrome plated, which has good wear resistance and corrosion resistance, is sturdy and durable, and has a longer service life. The surface adopts a polishing process, which has a beautiful metallic luster and is more beautiful. Strong and ReliableThe head of each ratchet adapter has a ball brake lock, which can be firmly connected to the socket to prevent slipping and falling during use, thus ensuring safe use. Can help you complete your work to the greatest extent. Easy to UseSocket adapter is very simple to use, just place it on the tool you need to use, plug it into the interface, and it will be connected tightly. 6 types of adapters can meet your different scene needs and save socket wrenches. Multiple SizesThere are 6 socket adapters in total. 1/4 hole to 3/8 head, 1/2 hole to 3/8 head, 3/8 hole to 1/4 head, 3/8 hole to 1/2 head, 1/2 hole to 1/4 head, 1/4 hole to 1/2 head. Allows you to easily switch between 1/2, 1/4 and 3/8 sockets. Wide ApplicationThe socket adapter kit is widely used in car repair, household repair, DIY work, etc., suitable for ratchets, drill bits, socket wrenches, nut drivers, cordless screwdrivers, etc. Ideal for machinery, industry and construction.