Checkers AC3521-RP-P Aircraft Wheel Chock, Urethane, 20-1/4 in Overall Lg, 9-1/2 in Wd, 2-3/8 in Ht, Yellow, with Rope, 1 PR G0072007 4 lanyard keepers Standards ANSI

4 lanyard keepers Standards ANSI Z359

With 4 interchangeable tips

(4) 1/4 in SealRight Nut and Clip

5 mil Tape Resistance Properties Abrasion-Resistant

Checkers AC3521-RP-P Aircraft Wheel Chock, Urethane, 20-1/4 in Overall Lg, 9-1/2 in Wd, 2-3/8 in Ht, Yellow, with Rope, 1 PR G0072007 4 lanyard keepers Standards ANSIAircraft wheel chocks prevent commercial, military, and private airplanes from rolling or moving unexpectedly. Chocks can be placed and removed quickly and don't require tools to install. Urethane construction absorbs impact, and resists oil, fuel, water, and weather to prevent splintering that can damage wheels and pavement. Primary Use Application Aircraft Material Urethane Number of Chocks 2 Overall Length 20 1 4 in Overall Width 9 1 2 in Overall