Klein Tools Pro Folding SAE & Metric Hex Key Set features 21 hex keys in SAE and Metric sizes in one convenient set for carrying and storage. This set combines the 11 most common SAE sizes and 10 common metric sizes all in one set to tackle any job. The hex ends are square-cut for a secure full-depth fit and maximum contact with the hex socket to prevent slippage and stripping of the socket.

Features:

• Hex-key ends are square-cut for a secure, full-depth fit and maximum contact with the socket to prevent slippage and stripping
• Heated-treated alloy steel with best in class rust prevention
• Openings on the sides of case provide unimpeded access to outer keys
• Effortlessly adjust key tightness or looseness with the convenient #2 Phillips fastener
• High-leverage blades open independently up to 270 degrees
• Reinforced nylon handle has a sturdy, comfortable grip

Specifications:

• Overall Length: 6.60"
• Handle Material: Nylon
• Hex Key Material: Alloy Steel
• Finish: Black Phosphate
• Key Lengths: 3.5" to 4.5"
• Key Sizes Included:
  • SAE: 1/2'', 3/8'', 5/16'', 1/4'', 7/32'', 3/16'', 5/32'', 9/64'', 1/8'', 7/64'', 3/32''
  • Metric: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm
• Imported