Ergonomic Handle Design: Comfortable nonslip grip provides super control and reduces hand fatigue, ideal for extended or repair Smooth ratcheting Mechanism: Features a ratcheting design for effortless tightening and loosening, reducing wrist strain during prolonged use Precisely Rainbow Sockets: Color coded sockets are precisely machined to perfectly fit bolts and nut, enhancing efficiency with visual organization Versatile 39 in 1 Set: Includes different bit and sockets covering +, flat, star, and hexagonal type for various screws and nut, perfect for multiple applications Compact Storage Case: Durability carrying case keeps all tools neatly organized and portable for home repairs, auto maintenance, or electronics work, Manufacturer: Oxxggkao