7 pieces of Torx Plus 10, 11, 12, 14, 16, 18, 20EP socket. All are 37mm 1-1/2" inch Long with 3/8" (9.52mm) square drive Sockets are made of satin finished Chrome Vanadium steel for maximum durability. The sockets maximizes torque transfer and increases tool engagement. Bits are impact ready. Suitable for both hand tool and electric tool | Industrial quality for auto repair and air tools. US-BASED CUSTOMER SERVICE: Available by chat, email, phone, or visit us at our customer service center in La Crosse, WI.