These tire stops keep your aircraft securely parked. A pair of black, molded, plastic wheel stops are connected with 22" bright yellow and black braided nylon rope that won't rot or retain water. The bottom cleats keep the aircraft securely parked, and the concave design fits any aircraft tire. One pair is needed for each wheel. Lightweight; 7-3/4" x 2-1/2" x 4-1/2".