FEATURES Stanley Professional Black Chrome Socket Set contains a ratcheting hand driver, and 1/4, 3/8, 1/2" drives Socket set features durable black chrome plating that provides improved rust resistance Laser-etched, high-contrast, easy-to-read markings Meets or exceeds ANSI specifications for hardness and torque Socket set weighs in at 25 lbs (11.3 kg) Case size: 15 W x 22 L x 5" H (38.1 x 55.8 x 12.7 cm) Socket set contains 229 pieces for jobs of any requirement