• Spring Activated Steel Ledge (Supports Open Umbrella) • Crank Umbrella is Raised With A Steel Cable • 1.3 mm Aluminum Pole (Manual Lift Frame) • 1.6 mm Aluminum Pole (Crank Frame) • 1 3/8" Diameter Upper Aluminum Pole • 1 1/2" Diameter Lower Attachment Pole • Heavy Gauge Tilt Mechanism (Optional) • 5.0 mm Chrome Plated Steel Ribs • Stainless Steel Joints & Rivets • Silver Anodized Centerpole • Galvanized Steel Notch • Non-Twisting End Tips • Metal Bell Cap