5-inch (approximately 12.7 cm) quick-thread drain hooks-These invisible drains are designed to increase the tension of new and existing drains. The quick screw bracket is pre-installed with a large 12 screw and 17-type thread. Fits all 5-inch (approximately 12.7 cm) aluminum (non-plastic) drainage channels.Repair drains and low points-Use our 5 inch (approximately 12.7 cm) drain clamps to repair low points and long drains that do not sag. Solve the problem of water being filled up and dumped on the edge of the drain. Reincompatiblece the existing drainage channel to withstand heavy snow.Heavy-duty, low-profile design-The drain groove hook uses screws to fix the groove, which is convenient compatible normal threaded joints, reduces sliding, and is fixed by screws without excessive torque and will not peel off. Keep it hidden under the lips.Easy to install, with nut driver-Use a 1/4 inch (approximately 0.6 cm) nut driver and a cordless drill to install a 5-inch (approximately 12.7 cm) drain trough bracket. No bifurcated clamp means no hooking and faster installation. The penetration depth is 3.59 cm. Very suitable compatible straight or oblique angle fascia plate.Colour: silverMaterial: metalPackage Contents:50 * 5 Inch Gutter ClipsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.