Both Persian and Turkish knots may be used to weave Quchan rugs and the only way to tell which knot was used on a particular area rug is to carefully inspect the back. The average KPSI (knots per square inch) on a Quchan rug is approximately Condition. Minor variation to shape;snags and pulls to bindings; flattened pile; areas of low pile with visible knot collars throughout. Dimensions 48" W x 0.25" H x 120 D.