Secure your Size 4 D-Sub connector with ease using this FCT Slide Lock. Crafted with a durable stainless steel frame and featuring two blue-chromated steel screws, this accessory ensures a reliable and secure connection. Designed for convenience, it offers straightforward installation with standard 4-40 thread size. Trust in the quality of FCT Products for all your connector needs. Meeting RoHS compliance standards, this slide lock is an environmentally friendly choice. Perfect for a variety of applications, it's a must-have accessory for your D-Sub connector setup.