Easy-to-read Accurate Instrument Offers Versatility For Measuring Large And Small Joints * Features Includes: 4x Magnifying Lens To Read The Dual 180 Degree High Resolution Scale And 2 Stainless Steel Arms Extending 9 To 26 * Constructed Of Chromium-plated Brass * 360 Degree Arm Rotation (both Directions) * Resistance Swivel * Compact Lightweight And Portable * Smooth Precision Glide * Total Extended Length: 22 1/4 Shipping Carton Size: 9 L X 7 W X 5 H *