Long retractable handle and wheels eases movement and stores easily out of the way. Suitable for large truck tires up to 16" maximum width. Comes with rubber nonskid pad to prevent slippage. 2014 ASME/PASE compliant 20 Ton capacity per pair Frame: 47" L x 18.25" W x 9.25" H Overall length: 51" Tread Width: 16 Ship weight 324 lbs. per pair .