2 Pack Black Plastic Adjustable Height Ergonomic Foot Rest Garage Equipment The 2497 22 M12 Cordless 2 Tool The 2497 22 M12 Cordless 2 Tool Combo Kit includes the M12 3 8 in A: The noise level is 80 dBA COMFORT RELIEF FOR ALL AGES: Start them young with proper posture and leg positioning guidance and teach healthy living and taking care of your feet which leads to overall wellness when your legs and feet are happy the rest of your body benefits grandparents knees and ankles to a position that reduces stress on the body improve back and neck pain while you sit at work or at home slight swivel adds flexibility while you sit or massage feet