The Troy Barbell Machined Interlocking Grip Plate is highest quality for your highest intensity workouts. It"s made of grade-20 cast iron with a baked enamel finish, ideal for commercial or heavy home use. The machined interlocking design lets you safely load the plate onto machines and bars, and with a 2% plus/minus accuracy level, the plate is sold individually in a variety of weight options. Dimensions: * 2-pound: 6.375 diam. inches * 5-pound: 8.063 diam. inches * 10-pound: 9.125 diam. inches * 25-pound: 11 diam. inches * 35-pound: 14.5 diam. inches * 45-pound: 17.75 diam. inches About Troy Barbell: Since 1987, Troy Barbell has been developing and manufacturing free weights and fitness equipment while providing unparalleled quality, service, and satisfaction to its growing customer base. Today, the Houston-based company is one of the top free-weight manufacturers in the industry with a diverse range of products and a full commitment to use only the highest grade materials and designs. The Troy family consists of three lines: USA, leading-quality home fitness; VTX, committed to specialty and training applications; and Troy, the premium line of free-weight equipment for commercial and institutional use. * Made of grade-20 cast iron with baked enamel * Commercial-quality machined interlocking grip plate * Interlocking design for safe loading * Sold individually in variety of weights * 2% margin of accuracy * 10-year warranty against breakage