General Tools 142 Plastic Dial Caliper, 0-6" Range.01" 1/64" General Tools 142 dial caliper is made of state of the art reinforced plastic. Its internal, external, depth and shoulder measuring ranges are 0-6" in .01" and 64th inch graduations. Caliper features a contrasting color-coded scale, no-glare easy-to-read dial with adjustable bezel, freewheeling friction roller, inch and metric scales on the bar rule with a fractional conversion table on the back. General Tools - the precise tool for doing the job exactly right. Offering over 1, 000 tools, we?re proud to provide tradesmen, craftsmen and DIYers around the world with a broad range of affordable, specific-purpose mechanical hand tools and precision measuring and inspection tools. For inquiries, please contact our Customer Service Department at 212-431-6100. We strive to provide our customers with 100% satisfaction. Work smarter, measure better be more productive with General Tools Features EASY TO READ: No-glare, easy-to-read dial with adjustable bezel is color-coded to highlight fractional inches GRADUATED MEASUREMENTS: Caliper dial and bar have graduated inch and millimeter readings; measures up to a maximum of 6 inches (152 mm) FIBERGLASS REINFORCED PLASTIC CONSTRUCTION: Heavy duty for accurate readings of inside, outside, depth and step measurements ACCURATE: Freewheeling friction roller provides effortless and accurate readings CONVERSION TABLE ON BACK: For fractional inch conversion USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.