⬆️ Adjustable Height Compressed length of 14.7 inches and expanded length of 22.2 inches, delivering a 7.6-inch stroke to easily adapt to different seating heights. 🔧 Universal Compatibility Features a 2-inch outer column diameter and 1-1/8-inch piston shaft, designed to fit most drafting chairs and bar stools. 🛠️ Premium Steel Construction Made from high-grade steel, this upgraded Class 4 cylinder meets international standards for long-lasting durability and dependable performance. 💪 High Load Capacity Engineered to support up to 1000 lbs, offering exceptional strength and stability for a wide range of users. 🔄 Smooth & Reliable Operation Provides effortless 360-degree rotation while preventing sinking, thanks to a precision-engineered hydraulic pneumatic shock piston.