Starrett Micrometer & Caliper Kit The Starrett S766A Basic Electronic Tool Set without Output features a basic starter set for electronic measuring including a 6" / 150mm slide caliper and 1"/25mm micrometer. SET (without Output): EC799A-6/150 / 3732.1XFL-1 in Case. Package includes the following... Starrett Digital Caliper # EC799A-6/150 0-6" / 150mm Measuring Range 0.0005" / 0.01mm Resolution Starrett Micrometer # 3732.1XFL-1 0-1" / 25.4mm Measuring Range 0.00005" / 0.001mm Resolution Fitted Plastic Case