HWC style, walk in wheel block with handle. Extruded aluminum with yellow powder coat finish. No more bending or stooping. Aldon's ergonomically-designed "Walk-In" wheel block makes chocking trailer tires easy. The 36-inch high handle can be inserted on either side of the block. Handle with sign projects 23-inches beyond side of tire so truck driver in his cab and other workers can easily see that the wheels are chocked. Use on asphalt or concrete surfaces. Ribs on bottom minimize slippage. Always chock both sides of the vehicle. Do not chock on slopes. For tires 33 to 42-inches in diameter. Weight: 14 pounds. Product of Aldon® Company.