The product is made of rubber wood with four metal pillars. It comes with four drawers on metal slides, providing smooth sliding without any sticking. There is an adjustable handle on one side, with rubber grips at both ends. The inner side of the product features metal guide pipes. Size Measurements: Overall dimensions: 164*50*82cm Tabletop dimensions: 152*50cm Support leg dimensions: 117*49cm Inner base dimensions: 80*34.8cm Tabletop thickness: 18mm Leg diameter: 50*50mm Drawer interior dimensions: 44.8*38*8.5cm Adjustable wooden block dimensions: 28*5.8cm Handle length: 26cm; diameter: 22.5mm Guide rod length: 21.5cm Net weight of the product: 43.3kg Gross weight of the product: 47.35kg BASIC SIZE & SET INCLUDES 4 PACKSThis set contains 4 durable 12' drop-forged steel bar clamps, each with a 3' throat depth. The clamps feature a maximum load capacity of 450 lbs and a maximum opening of 12 inches, making them versatile for a wide range of clamping tasks. POWERFUL CLAMPING FORCE FOR SECURE HOLDWith an impressive clamping force of up to 450 lbs, these medium-duty steel bar clamps provide a strong, secure grip on metal and wood workpieces, ensuring stability during your most demanding projects. ROBUST DROP-FORGED STEEL CONSTRUCTIONCrafted from high-quality drop-forged steel, these F-clamps are built for durability and toughness. The robust construction ensures resistance to impact and high temperatures, offering reliable performance even in tough conditions. NICKEL-PLATED SURFACE FOR SUPERIOR CORROSION RESISTANCEThe unique high-density nickel-plated coating provides enhanced corrosion resistance, making these clamps suitable for use in a variety of challenging environments and ensuring long-lasting reliability. WIDE APPLICATION FOR HEAVY-DUTY WORKThese steel bar clamps are ideal for heavy-duty tasks such as metal welding, woodworking, and other industrial applications, providing you with the precision and strength needed for your toughest jobs.