Suitable for slanted roofs(wooden shingled,tile, slate, and clay roofing),requires drilling. Drilling required,Provides drill bits and 2 types of nails, one customized for wood walls and one customized for masonry,cement,concrete walls. Suitable for slanted Slope roofs.This Starlink Pivot Mount adjustment can be applied to roof inclination angles of 30, 45, 60 and 90 degrees.For best results, You should estimate and measure the slope angle of your house which the mount should be adjusted to ensure Starlink is installed as close to vertical as possible. Made of heavy-duty 304 Stainless steel,All components including screws and washers are 304 stainless steel,Thick and Strong…