Constructed from solid steel with chrome plated surface treatment. This baby 5/8”(16mm) stud is designed for quickly attaching to any of the mounting locations on either the 3-way clamp or 4-way clamp in order to accept any light fixture or accessory with a baby 5/8”(16mm) receiver. The proprietary notch provides the stud with great mounting solutions that slide into one of the mounting locations or the baby receiver (16mm) of a Convi clamp and then is secured by turning the locking collar. The locking collar with slotted hole allows you to effortlessly tighten or loosen with a screwdriver.