BD Loops 4' x 6' Preformed 3 16" Saw cut 20 Foot Loop LMHNTG The VX 100 features four magazine Size:HySecurity StrongArm 14F UPS Three Phase 450V The VX 100 features four magazine pouches that accommodate standard AR15 30 round magazines Cutting edge UHF reader technology allows the use of hand held cards and key tags used for access control into buildings Used for saw cut installations where a 3 16” or larger groove is cut into the concrete or asphalt and the wire is stuffed and sealed (using loop sealant) into the surface The entire loop including the lead in fits within a 3 16” saw cut groove preventing wasted time spent double saw cutting or doubling blades to cut the home run lead in