1、Excellent Alloy Steel Material: This cordless screwdriver is made of excellent alloy steel material, which is strong and wear resistant, not easy to be damaged, and has a long service life. 2、Built In Silencer Pipe: This mini handhold pneumatic screwdriver has a built in silencer pipe that ensures quieter and lower noise when working. 3、Self Locking Collet: This right angle air screwdriver adopts self locking collet, with high accuracy manufacturing, the batch head is not easy to fall off. 4、Compact And Portable: This pneumatic air screwdriver is small in size, light in weight, which is comfortable to hold and very convenient to carry and use. 5、Wide Application: This pneumatic screwdriver has a wide range of applications and is commonly used in glass, ceramics, sanitary products, kitchens, and building decoration.