Lappkabel ground straps flat ground straps and round earthing strapsbraid lappkabel 4571120 this round lappkabel earthing strap is 4mm wide and 170mm in length the strap is ready made for installation and has been manufactured from extra fine tinned copper wire the fixed length earthing strap is supplied to accept m6 screws or bolts applications include control cabinet manufacturing lappkabel 4571120 round earthing cable m6 4mm