• 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
• Extra-long length offers greater access to hard to reach fasteners
• Includes: 1/2", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8"

Specifications:
No. Of Keys: 13
Drive Type: Imperial
Overall Dimensions: 13-1/4" L x 3-3/4" W x 1-1/4" H
Weight: 1 lbs.