Q04BR124 | Permobil M Series QLK Wheelchair BracketQ'Straint QLK Bracket Permobil M Series Chairs Q04BR124 NOTES: May include Corpus VS which stands for Corpus Vertical Standing Seating System and does not affect our bracket installation. Seating system should be in fully lowered position while using docking system. QStraint recommends this bracket be used for the driver and front passenger positions in most vehicles. This bracket is also used for second row position when entering from the rear ramp