Q'Straint Q-8101-L QRT Deluxe Fully, Automatic, self tensioning, automatic locking, wheelchair tie down system. The QRT Deluxe allows the operator discretion in additional tensioning with dual knobs. The QRT Deluxe Retractors provided in Q-8101-L are mounted with PLI Track Fittings  for vehicles equipped with L-Track Floor Anchorages. The Q'Straint QRT Deluxe is a Automatic-locking, self-tensioning, fully automatic retractable wheelchair tie-down system. The QRT Deluxe Fully Automatic features allow the operator to efficiently attach the wheelchair strap and J hook to a solid frame member on the wheelchair and automatically tensions the wheelchair tiedown strap and secures the wheelchair with the self-locking feature. This product includes FREE SHIPPING and the following: 4-Q8-6200-L QRT Deluxe Retractor (L-Track) 1-Instruction Guide for Operator 1-Warranty Card (3 Year Manufacture Warranty) INCLUDES FREE SHIPPING