The Q-8101-SC2  QRT Deluxe Fully Automatic,  self tensioning, automatic locking, wheelchair tie down system. The QRT Deluxe Retractors provided in this product are mounted for Slide-N-Click Anchorages for vehicles equipped with Slide-N-Click Bottom Anchorages. The Q-8101-SC2 Kit will NOT include the Slide-N-Click Bottom 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. The Q’Striant Slide-N-Click is one of the most advanced innovations in Fixed Wheelchair Securement Anchorages and allows for a 360 degree rotation of the QRT Retractor with one hand operation. The Slide-N-Click bottom Anchorage is installed with a single bolt and reduces a complicated installation and alignment process. The low profile design of the bottom anchorage allows the wheelchair to easily maneuver around or over it without impeding movement. The Slide-N-Click in manufactured with cast stainless steel for maxim durability and strength. The Q-8101-SC2 kit includes FREE SHIPPING and the following: • Q8-6200-SC 4-QRT Deluxe Retractors (Slide-N-Click) • Instruction Adhesive Label • QRT Installation Instructions • Instruction Guide for Operator • Warranty Card (3 Year Manufacture Warranty)