Description This thread adapter can keep umbrella stable. The thread adapter fits most of the umbrella pole diameter and umbrella bottom hole inner diameter, excellent tightening umbrella poles, help this umbrella stand upright without shaking, no worry about tilting or wobbling by wind, protect your umbrella. Features -Color:White -Material:Plastic -Size:5.30X5.30X3.50cm/2.08X2.08X1.38in - Secure and Stable: The thread adapter has plug design ensure the umbrella pole is secure and stable. - Easy to Use: Simple installation can be used to install this adapter, easy to use and operate, convenient. - Durable: Made of stable plastic materials, this adapter is durable, can withstand various weather conditions. - Versatile Compatibility: Fits different umbrella pole sizes and can be used for different pool umbrellas. - Elegant Design: The color and shaped is very elegant, make this adapter a perfect addition to any pool area. Secure and Stable: The thread adapter has plug design ensure the umbrella pole is secure and stable. Easy to Use: Simple installation can be used to install this adapter, easy to use and operate, convenient. Durable: Made of stable plastic materials, this adapter is durable, can withstand various weather conditions. Versatile Compatibility: Fits different umbrella pole sizes and can be used for different pool umbrellas. Elegant Design: The color and shaped is very elegant, make this adapter a perfect addition to any pool area.