5-inch (approximately 12.7 cm) quick-thread drain hooks-These invisible drains are designed to increase the tension of new existing drains. The quick screw bracket is pre-installed with a large 12 screw 17-type thread. Fits all 5-inch (approximately 12.7 cm) aluminum (non-plastic) drainage channels.Repair drains low points-Use our 5 inch (approximately 12.7 cm) drain clamps to repair low points long drains that do not sag. Solve the problem of water being filled up dumped on the edge of the drain. Reinforce the existing drainage channel to withst heavy snow.Heavy-duty, low-profile design-The drain groove hook uses screws to fix the groove, which is convenient for normal threaded joints, reduces sliding, is fixed by screws without excessive torque 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 a cordless drill to install a 5-inch (approximately 12.7 cm) drain trough bracket. No bifurcated clamp means no hooking faster installation. The penetration depth is 3.59 cm. Very suitable for straight or oblique angle fascia plate. Colour: silver Material: metalPackage Contents:50 5 Inch Gutter ClipsOnly the above package content, other products are not included. Note: Light shooting 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.