• Large 24" slide caliper for professional and do-it-yourselfer applications
• Lightweight and rugged aircraft-aluminum body, moisture, fluid and corrosion-resistant
• Gives both Metric and SAE measurement readings
• Measurement gradations of .05mm, 1/128"
• Machine-grooved easy-roll thumb wheel, position lock mechanism

Precision professional tool in hard-to-find 24" aluminum version. Grooved 0.15" full-length channel on reverse. One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.