Checkers AC4614 LR P Aircraft Wheel Chock, Urethane, 14 in Overall Lg, 6 in Wd, 4 1 4 in Ht, Yellow, with Rope, 1 PR 0610921 Cable Connection Type Bolt and Cable Connection Type Bolt and Nut 3189 Flute Type Spiral Material High Speed Steel Finish Bright (Uncoated) Coolant Fed Non Coolant Through Cutting Direction Right Hand Number of Flutes 2 List Number 150D Coolant Through No Point type Conventional Application For Non Ferrous Materials Grade General Purpose Standards DIN 338 Helix Angle 21 Degrees to 34 Degrees Primary Material Application Aluminum and weather to prevent splintering that can damage wheels and pavement Primary Use Application Aircraft Material Urethane Number of Chocks 2 Overall Length 14 in Overall Width 6 in Overall Height 4 1 4 in Color Yellow Includes Chain Rope Rope Included Chain Rope Length 3 ft Country of Origin United States