Narrow slots suitable for small-diameter wires | Smooth, burr-free edges protect installers from injury and wires from damage | Fingers can be removed with no sharp edges at pre-notched snap-off points | Further pre-notched snap-off point at base of sidewall allow cutting out and removing sections of sidewall with no sharp edges | Duct covers are easy to mount and remove, yet hold securely even in a vertical position and under vibration | Cover is flush with side of duct, allowing for tight, contiguous placement of ducts | Base perforation according to DIN EN 50085