NO SKIPPED METRIC SIZES - This 19-piece wrench set contains a full range of every metric size from small to large: 6mm, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm, with permanent size marking stamped at both ends of both sides PREMIUM MATERIAL - Constructed from industrial grade chrome vanadium steel with rust preventative chrome finish to provide superior strength, ensure durability and exceed ANSI B107.6 quality standards ANGLED OPEN END - Classic 15- degree angled open end effectively reduces the working swing arc in tight areas, so the wrench can be flipped over with each rotation to engage the fastener twice as often OFFSET BOX END - 12-Point box end doubles the access angle than 6-point, and 15° offset design creates enough clearance for hand or obstructions in tight work spaces COMPLETE WITH ROLL POUCH AND LIFETIME WARRANTY - Equipped with a rolling pouch for easy organizing, storage and carry; Backed by lifetime quality guarantee for worry-free purchase