Size 7 x 12 mm Fir Tree Push-Mount Tie bundles and mounts cables, wires, and hose. Fir tree base locks and secures bundle onto panel by latching onto opposite side of panel surface. Outside serrated tie has 50 lb tensile strength and comes in 2 strap lengths to accommodate bundle sizes from 6.5 to 8.5 in. Tie is suited for mounting wire harnesses in oval and rectangular 7 x 12 mm panel holes and blind assembly holes.