Starrett® Digital Micrometer, Electronic Imperial, Series: 786, 0 to 1 in Measuring, +/-0.0001 in Accuracy, 0.00005 in Resolution, Blade Anvil, Blade Spindle, 1/4 in Spindle Diameter, Speeder Thimble, Large Digital LCD Display, 8-1/16 in L x 3-1/32 in H Dimensions