NMI floor tracking profiles are produced from aluminium extrusions and can be supplied as a straight channel profile or more commonly with holes punched every one inch (25.4mm). It is also possible to order tracking with an 8 mm countersunk hole every four inches (101.6 mm). Supplied in 12 ft lengths (3.65m) as standard there are 37 countersunk holes in one length. NMI also offers to supply lengths to suit your application. NMI low profile tracking is recessed into the vehicle floor so that it sits flush. All NMI fittings, wheelchair restraints, removable rips, Saferider and trolley locks are compatible and tested in this type of tracking.