• Made of premium steel for superior durability and corrosion resistance
• Deliver up to 33% more torque than ordinary hex keys
• Keys 1/8" & 3mm and larger have size permanently laser marked on the key
• Includes: .050", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm

Specifications:
No. Of Keys: 22
Drive Type: Metric & Imperial
Overall Dimensions: 10-1/4" L x 7-1/2" W x 1-1/4" H
Weight: 2 lbs.