L-Kit is designed to be used on composition, Asphalt shingle roof or mounted directly onto the roofs.
It is adaptable to rail height adjustment slot allows for a level PV array to be established, no matter how uneven the roof.
The material is Aluminum
The L-kit include all the hardware that it shows in the pictures ( Rubber gasket, 3''screw, washer, Bolt,Rail screw)
Height3.25'' Wide 1.75'' Depth1.5'' Screw 3''