Features
 > Many times faster than hand rolling - 20 to 30 feet per minute
 > Pulls itself across the roof
 > Eliminates crawling and bending - saves on knees and muscles
 > Easy one hand walk behind operation
 > Direct drive - no pulleys or belts
 > 27 pounds pressure on the rollers

Specifications
    2- 10 x 275 wheels
    Electric motor 1/3 hp, 1800 rpm
    Shipping weight: 129 lbs