Fitness Quest V2 Performance Perfect Push Up Pushup device enables you to more effectively increase strength and definition through arms, shoulders, back, and abdominal muscles Reinforced construction and improved functionality; patented smooth rotation increases muscle activation and optimizes upper body workout Ergonomic grips distribute weight and eliminate pressure points, reducing joint strain in wrists and elbows through natural body movement 30% more ball bearings and reinforced internal workings; each handle weighs 2.5 pounds and can support 200 pounds Wider turntable increases torsional stiffness; off-road tire inspired tread provides better ground connection and nonslip performance