LIGHT, STRONG & PORTABLE: The repair stand is made of lightweight aluminium alloy with a durable plastic head and clamps. It is compact when folded and designed for convenience and durability. HEIGHT ADJUSTABLE: Quick Release Adjustable (from 1m to 1.5m or 39" to 59" when fully extended). Strong quick-release skewers are included for adjusting the height, tilt and angle of this work stand, this could be really helpful when you want to get the bike in the optimal working position for you. ROTATABLE HEAD: Smart design, the head is 360-degree rotatable by turning the quick-release knob. The teeth and clamp are both well-made and heavy-duty.