The Doppler reduction rings are a practical solution for adapting umbrella stands to various pole diameters. This set includes five rings with inner diameters ranging from 25 mm to 52 mm, ensuring a secure fit for umbrellas. With a length of 150 mm, the rings are made from durable plastic and come in a simple black color, making them a versatile addition to any umbrella stand. Using these reduction rings provides stability and safety, especially on windy days, and allows for easy handling and assembly. They are ideal for use in gardens, on patios, or at outdoor events where sun protection is needed.

• Set of five reduction rings for different pole diameters
• Inner diameters: 52 mm, 48 mm, 38 mm, 32 mm, 25 mm
• Length of the rings: 150 mm
• Made from durable black plastic.