【A GOOD REPLACEMENT FOR】Universal socket is a perfect replacement for 30pcs 3/8 in. 3/4 in. and 10 mm to 19 mm.^ 【EASY & Agrave; 【USE】 The plug is easy to use. to hold and to remove damaged, worn and rusty bolts and nuts.^ 【TIGHTEN THE NUT AND BOLT】Hold the nut and bolt firmly for easy operation one hand.^ 【KEEP EVEN FORCE.】 Maintain even force on all sides of the binding to prevent rounding.^ 【ADAPTÉ FOR】Suitable for; any key to standard 3/8" socket.And the load handled is much higher than other adjustable tools.