Q04BR148 | Quantum Rehab R-Trak QLK BracketQ04BR148 Quantum Rehab R Trak QLK Bracket 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 lift. NOT to be used for second row passenger applications, when entering from a side ramp. This bracket offers additional clearance and requires the use of the 2. 5 QLK base mount (QS99022) Manufacturer Quantum Rehab Model R