Carefully selected assortment includes all the tools needed for automotive and industrial applications and features a wide selection of commonly used sockets ratchet and accessories in a convenient case All components forged from high quality Chrome Vanadium steel TORQUE DRIVE® sockets contact the fastener on the sides rather than the corners reducing corner rounding and allowing 20% more torque Sockets are made with chamfered edges for easy engagement Durable and long-lasting metal case with secure latches Drive Size 3/4" Includes SAE Standard Sockets (3/4"; 7/8"; 15/16"; 1"; 1-1/16"; 1-1/8"; 1-3/16"; 1-1/4"; 1-5/16"; 1-3/8"; 1-7/16"; 1-1/2"; 1-5/8"; 1-3/4"; 1-7/8"; 2"); 42 Tooth 20" Round Head Ratchet; 4" Extension; 8" Extension; 18" Sliding T-Handle; Metal Case Length Standard No. of Pieces 21 Type Hand/Standard