Item Type: Depth Dial Indicator Base <br>Material: Stainless steel <br>Clamping Hole Diameter: Approx.8mm/0.3in <br>Extension Rod Specifications: Approx.0-10mm/0-0.4in, 10-20mm/0.4-0.8in , 20-30mm/0.8-1.2in<br>1、Replacement Base: The base is used for depth measurement dimension with depth dial indicator, with precise and stable structure. <br>2、Smoothly Surface: The base surface is hardened and ground, provides smoothly operation, ensuring accurate measurement. <br>3、Securely Clamping: The base uses threaded knob, the clamping is tightened and stable, not easy to fall off, reliable for usage. <br>4、Stainless Steel Material: Made of premium stainless steel, the base is resistant to corrosion, rust and temperature, has long last durability. <br>5、3 Extension Rods: The base comes with 3 extension rods of different specifications, which are 0?10mm, 10?20mm, 20?30mm.Match the appropriate size model before use.1 x <br> <br>Depth&nbsp;Dial&nbsp;Indicator&nbsp;Base<p>3 x Extension Rod</p><p>1 x Storage Box</p>