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The Fowler 52-229-780 micrometer, caliper, and test indicator set includes three Vernier-scale outside micrometers with a combined measuring range of 0 to 3", a white-face dial caliper with a 0 to 6" measuring range, a white-face dial indicator with 1" travel, a magnetic base with a V-shaped base and an 85-lb. pull, and a fitted case. Three Vernier-scale outside micrometers have a 0 to 1", 1 to 2", and 2 to 3" measuring range and a flat anvil/spindle pair for general purpose measuring. The Vernier scale has 0.0001" microfine graduation intervals on a satin chrome finish for precise readings. The positive locking nut on the spindle locks measurements in place for accurate readings and the zero adjustment on the sleeve ensures accurate measurements. The anvil/spindle pair has a 0.256" diameter hardened, precision-ground, and micro-lapped carbide measuring faces with 0.00003" flatness and 0.0005" parallelism to provide accurate measurements. Friction thimble applies constant force for repeatability between users. Friction-style thimbles are suitable for one-handed operation and stop turning when the spindle comes into contact with the workpiece, providing constant force for consistent measurements between operators. The heat-insulated frame helps reduce temperature-related expansion or contraction, providing accurate measurements, and protects the operator's hands from heat. The shockproof stainless steel dial caliper has a white face and dial graduations of 0.001" with 0.001" accuracy, and beam-engraved 0.1" graduations, and is used for measuring inside dimensions (ID), outside dimensions (OD), depth, and step. The caliper measures 0.10" per revolution of the dial. The caliper has shockproof anti-backlash control, a sliding jaw with a lock, and a covered rack. Shockproof anti-backlash control with a heavy-duty spring provides increased accuracy over standard gear configurations. Backlash is the amount of clearance between mated gear teeth in the caliper controls that prevents the gear teeth from jamming. A knurled lock screw holds the sliding jaw in position to help ensure a consistent measurement. A covered rack prevents dirt and debris from clogging the gear, and helps prevent measurement errors. A thumb-operated fine adjustment roller allows for one-handed use. The hardened stainless steel components, including the bar, measuring surfaces, rack, gears, and depth rod, offer corrosion resistance, increased accuracy, and long life. Self-contained movement eliminates gear misalignment, while the dual pinion drive mechanism reduces wear on the rack and pinion. An adjustable dial enables setting zero. The hardened stainless steel is polished to a satin chrome finish, to help prevent glare. The American Gage Design (AGD) Group 2 dial indicator has a white 2-1/4" dial face with continuous and balanced dial readings, a 1" measuring range, 0.001" graduations, a revolution counter, and tolerance markers, and is designed for taking measurements in machining, layout, and inspection work. The movement is mounted independently from the case on a rigid supporting plate to ensure perfect and permanent alignment. The dial has microfine black graduations for 0-100 continuous readings. A knurled bezel rotates 360 degrees to zero the reading at any location. Tolerance markers allow operators to quickly observe limits. The lug back can be rotated at 90-degree increments. A satin-chromed forged-brass case, hard brass gear wheels, and a hardened steel spindle rack provide long wear. The indicator is dustproof, waterproof, oil-proof, coolant-proof, and shockproof. The magnetic base has an 85-lb. pull and the ability to mount test indicators with a 1/4" post. Fine adjustment knobs allow for making micro-adjustments. An on/off lever releases the magnet for ease of placement. The overall stand height is 9.5". The base is 2 x 2-11/32 x 1-13/16 inches (H x W x D) and has a V-shape for mounting on round surfaces. (H is height, the vertical distance from