1、Replacement Base: The base is used for depth measurement dimension with depth dial indicator, with precise and stable structure. 2、Smoothly Surface: The base surface is hardened and ground, provides smoothly operation, ensuring accurate measurement. 3、Securely Clamping: The base uses threaded knob, the clamping is tightened and stable, not easy to fall off, reliable for usage. 4、Stainless Steel Material: Made of premium stainless steel, the base is resistant to corrosion, rust and temperature, has long last durability. 5、3 Extension Rods: The base comes with 3 extension rods of different specifications, which are 0‑10mm, 10‑20mm, 20‑30mm. <p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text">Item Type:&nbsp;Depth&nbsp;Dial&nbsp;Indicator&nbsp;BaseMaterial: Stainless steelClamping Hole Diameter: Approx.8mm/0.3inExtension Rod Specifications: Approx.0-10mm/0-0.4in, 10-20mm/0.4-0.8in , 20-30mm/0.8-1.2in<style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Depth&nbsp;Dial&nbsp;Indicator&nbsp;Base3 x Extension Rod1 x Storage Box