CONCEALFAB's 900354 PIM cable support bar, extra bar kit, 13 position. PIM shield cable support bars provide a low passive intermodulation mounting system to secure multiple hybrid snap-ins (sold separately) in high-risk PIM zones. The extra bar kit includes one (1) bar plus the additional hardware needed to install the bar on an existing pole mount kit. Snap-in mounting hole size of 13 x 0.75 diameter. Bar dimensions of 19.0 in x 3.9 in x 0.14 in thick.