Features: Engineered with stainless steel and plastic dipped construction, these T8 U Clips Holder Brackets prevent LED bulb sagging while offering corrosions resistant support for 8FT fluorescent tubes. The 4mm mounting thread and 33mm compact design enable secure installation on 20 28mm diameter pipes that protects tube surfaces from scratches. Ideal for homeowners, facility managers, and industrial maintenance teams seeking reliability lighting solution in high ceiling environments. Perfectly stabilizes T8 LED fixtures in garages, warehouses, office drop ceilings, and commercial refrigeration units requiring vibrations resistant tube mounting. Each white plastic coated clamp maintains 360 degrees grip strength across 20°C to 80°C conditions, ensuring long term durability against thermal expansion in harsh environments. Specifications: Dimension:25×35mm/0.98×1.37in Component:Stainless steel + plastic Package Includes: 10pcs U-shaped rubber-covered lamp clamps note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.