£261.31 inc VAT The Moore & Wright 891 Series Adjustable Depth Micrometer features interchangeable depth rods, with a 4mm diameter. These adjustable depth micrometers conform to BS6468:1984. Base Length: 63.5mm / 2.1/2in. The Moore & Wright 891M150 Adjustable Depth Micrometer has the following specification: Range: 0-150mm.Resolution: 0.01mm. Add to Basket Quantity