The Thunderbolt Multi-Use Hand Truck is available in three models, depending on its intended purpose(s). The Blockhead is used for moving concrete blocks, logs, etc. The Blast, which has machined slots that accommodate four adjustable pillars, is used for carrying a wide array of items, including sprayers, cans, buckets, pots, etc. And the R-30, with an angle-adjustable scraper blade, is used for clearing snow, sand, dirt, debris, etc., off of flat surfaces, such as driveways, sidewalks, shop floors, etc.