Pneumatic quick-disconnect lockout Pneumatic quick-disconnect lockout is applied to the male fitting, isolating equipment from all compressed air sources. Device accommodates the majority of 1/4'',3/8'' and 1/2'' male fittings. Hole in center of device allows for permanent storage on an air hose and a loop on the side can be used to hang the hose and lockout device. Lockout accepts padlocks with 1/4'' or 9/32'' shackles and is sold. Contact us if you need more details on Lockout. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about Lockout、Lockout. If these products fail to match your need, please contact us and we would like to provide relevant information.