Knee Protection and Mobility Pad Knee Protection Technology: density cushioning absorbs pressure points on concrete floors, providing relief from joint strain during extended car maintenance tasks and enabling you to work comfortably for hours without knee fatigue or discomfort. Smooth Gliding Mobility: Integrated rolling system with multidirectional wheels lets you move across your workspace without standing up, increasing productivity during tire changes, brake repairs, and underbody work while reducing strain on your back and knees. Heavy Duty Load Capacity: Impactresistant PE plastic frame supports up to 350 lbs, remaining stable under pressure and suitable for mechanics of all sizes working on demanding automotive projects. Ergonomic Workshop Design: Lowprofile structure keeps you close to the ground while maintaining proper working posture, helping reduce back strain common with traditional automotive positions and minimizing fatigue during lengthy repairs. Specifications: Material: PE plastic frame; Cushioning: density padding; Mobility: multidirectional wheels; Capacity: 350 lbs; Design: lowprofile ergonomic. Practical applications: Tire changes; Brake repairs; Underbody work.