Newport MKS Optical Rail Carrier, 3 in., 9731/9732 Optical Rails, 8-32 & 1/4-20 9742

The 9742 Quasi-kinematic, quick-release Rail Carrier has a spring-loaded lever that allows it to be locked in place without introducing motion. An 8-32 screw permanently locks the carriers. Model 9742 has an array of 8-32 and 1/4-20 threaded and counterbored holes and is 3-in. long. It works with 9731 or 9732 optical rails.