Purpose and benefit Heavyduty clamp designed to keep tarps, tents, umbrellas and awnings steady in outdoor conditions. Prevents movement and protects a wallmount umbrella, tent poles or awning rods from shifting or tipping. Durable steel construction Made from steel to resist bending or breaking under normal outdoor stresses. Provides a solid, longlasting connection for umbrella deck mounts, tarp awning pole supports and tent rod holders. Secure dualnut fastening Twonut adjustment system lets you tighten the clamp firmly to uneven surfaces or rails. The dualnut design increases holding strength and reduces loosening from vibration or wind. Adjustable for uneven terrain and railings Built to adapt to uneven ground or nonlevel railings. The adjustable mechanism allows the pole holder to sit securely on decks, railings, chair frames or other mounting points without wobble. Versatile compatibility and function Works with umbrella poles, tent poles, awning rods and tarp supports. Suitable for use as a deck umbrella mount, umbrella railing mount, tent pole connector or awning foot holder. Reliable wind resistance The combination of steel construction and the dualnut clamp improves resistance to gusts and movement, helping keep umbrellas and awnings in place during typical outdoor weather. Typical use scenarios Deck or balcony: Clamp an umbrella pole to a railing or deck surface to create shade without drilling or permanent mounting. Camping or events: Secure tent poles or tarps on uneven ground by adjusting the clamp and tightening the dual nuts for a stable setup. Wallmount or awning support: Add extra stability to a wallmount umbrella or awning rod where additional reinforcement is needed. Key attributes at a glance Function: Clamp to secure umbrellas, tents, tarps and awnings Compatibility: Umbrella poles, tent poles, awning rods; suitable for railings, deck mounts, chair frames and similar fixtures Material: Steel construction for strength and durability Adjustment: Dualnut fastening and adjustable angle for uneven surfaces Performance: Designed to resist bending and provide windstable support This clamp provides a dependable, adjustable and durable solution when you need to stabilize outdoor poles and coverings without permanent installation.