【? 660 lbs Heavy-Duty Capacity】 This industrial-grade panel dolly is engineered to support up to 660 lbs per unit, providing the stability needed to transport solid core doors, thick countertops, and multiple sheets of drywall.;【? 39" Extended Ergonomic Handle】 Featuring an extra-long 39.17" steel handle, this dolly allows users to move heavy loads in a comfortable, upright position, significantly reducing back strain and improving leverage during transport.;【⚙️ 0–9.5" Adjustable Clamping】 The versatile self-tightening clamp quickly adjusts from 0 to 9.5 inches via easy-to-use turn knobs, ensuring a secure grip on materials of various thicknesses that tightens as the load weight increases.;【? 10-Inch Puncture-Proof Wheels】 Equipped with large 10-inch solid rubber wheels, this trolley offers superior shock absorption and smooth rolling over rough terrain, job-site debris, and uneven surfaces without the risk of flats.;【?️ Industrial Steel Construction】 Built with a high-tensile alloy steel frame and a triple-layer anti-corrosion finish, the dolly includes 15.7" x 7.87" side baffles with protective padding to prevent scratches on finished surfaces.