Take your lighting setup to the next level with the Kupo Clamp for 38-42mm T-12 Led Tube Light, available in a practical 2-pack. This innovative mounting solution is expertly designed to accommodate T-12 Led Lamp Tubes from major brands, fitting diameters between 38mm and 42mm with precision. Each clamp is thoughtfully engineered with rubber pads on the interior, providing essential protection against scratches and damage to your Led tubes, ensuring their longevity and pristine condition.The Kupo Clamp features a robust steel spring mechanism within its jaws, delivering a firm and secure grip that keeps your Led tubes firmly in place, offering peace of mind during use. Its versatility is further enhanced by the inclusion of a 1/4"-20 female thread on the bottom and dual 3/8"-16 female threads on each side.