• Type: Tubular Inside
• Minimum Measurement (Inch): 4"
• Maximum Measurement (Inch): 24"
• Graduation (Decimal Inch): 0.001
• Extension rods made of steel tubing, light in weight, extremely rigid
• Rods are approximately 3/8" (9.5mm) diameter
• Rods are insulated, with the exception of 1/2" (13mm) and 1" (25mm) sizes
• Each rod marked with length
• Hardened and ground anvils on rods are adjustable for length
• Head anvil is hardened and ground
• Interchangeable anvils on both 1/2" (13mm) and 1" (25mm) heads
• Quick reading figures - every thousandth numbered on Inch reading tools
• Lock nut furnished on 1" (25mm) heads