Beadsmith Digital Caliper 4 In-100mm/ Carbon Fiber
$24.00
"Use digital calipers for accurate and easy-to-read results. Use the top scale for inner diameter & the bottom scale for outer & wire diameters. Convert mm to inches with the touch of a button. Measures objects up to 4 inches/100mm. Large, easy-to-read display with automatic shut-off feature."