SmallRig 1409 Quick Release Safety Rail 4cm The SmallRig Quick Release Safety Rail, measuring 4 cm long, is equipped with spring-loaded pins on its sides. This feature ensures that accessories cannot be unintentionally detached, providing an extra layer of protection. It is especially recommended for use in conjunction with a slidemount. Here are some of the key characteristics of the SmallRig 1409 Quick Release Safety Rail. Quick Release Safety Rail 4 cm in length Fitted with spring-loaded pins on the sides Suitable for a Slidemount Made of Aluminium Alloy Every purchase of the SmallRig 1409 Quick Release Safety Rail comes with a few additional items including: SmallRig 1409 Quick Release Safety Rail 4cm 1/4'' screws for easy installation A 2-year warranty for complete peace of mind