Engineered Now The Original Headrest for Herman H3 Classic, Zinc. Size: H3 for Classic. Back Style: Solid Back. Special Feature: Ergonomic, Head Support. Unit Count: 1 Count. Recommended Uses For Product: Office. Age Range (Description): Adult. Included Components: Headrest, Hex tool, Replacement Bolt for A-Size Chairs, Spare Caps, Instructions. Surface Recommendation: Hard Floor. Item Weight: 3.5 pounds. Item model number: Headrest by Engineered Now. MaterialItem Weight: Plastic3.5 Pounds. Frame MaterialMaximum Weight Recommendation: Engineered Plastic300 Pounds. EXPERIENCE THE ULTIMATE UPGRADE TO YOUR HERMAN MILLER AERON – The H3 ENjoy is designed to provide you with the neck support the Aeron Chairs are missing. The H3 is the standard size model, comfortably fitting all users under 5’11. ZINC COLOR – Perfectly matches your Classic Aeron Chair in comfort, quality, and color, with complementary Zinc Mesh. [MATCHES CLASSIC AERON CHAIR MODELS YEAR 2016 OR OLDER]. IMPROVE POSTURE AND PRODUCTIVITY – Our headrests are ergonomically designed to support the head and neck, helping you stay comfortable, aligned and focused throughout the day. ADJUST TO YOUR COMFORT- EN headrest are intended to be free flowing. The tilt and the vertical adjustments are free-moving, while the forward and backwards adjustments can be locked to your best comfort.