These locator receivers are used with CP745 retractable locator fasteners. In combination, they are designed to be mounted on fixture bases and plates for accurate locating and positioning. Where four or more receivers are used, the Standard version receivers can be used for additional fastening along where at least two Accurate receivers establish the repeatable accuracy. Precise repeatability of 0.02 mm is achieved when the locator is used with the accurate receiver. Made from heat-treated, quenched and tempered 4140 alloy steel, electroless nickel-plated.