New WalkTop Treadmill Desk. Have 4 left over inventory items. $50 each WalkTop™ Treadmill Desk allows you to walk throughout your day without sacrificing productivity. With a sleek design, height-adjustability and a clear work surface, the WalkTop™ gives you the versatility you need in a treadmill desk. Fits most treadmills: The WalkTop™ Treadmill Desk comes fully assembled and can be installed on most treadmills in minutes. Walking or standing desk: The WalkTop™ Treadmill Desk can be used as a temporary standing desk just by stopping the treadmill. Dimensions: 17.76"W x 42.17"L x 4.45"H Product Weight: 24.9 lbs. Must pick up. No returns.