Roof hook stainless steel 3-way adjustable base plate 140 x 56 x 5 mm stainless steel 1.4016 hook 30 x 5 mm stainless steel 1.4016 height from bottom edge base plate to the first bend ~ 40-50 mm e.g. for Frankfurt pan and standard (30 mm) lath. You also need: wood screws to attach the hook to the rafter, hexagonal screws DIN 933. A2 M1 M0 x 25 and M10 locking tooth nuts to connect the hook to our mounting rails. Designed for mounting photovoltaic elements, possibly Can also be used for solar thermal energy. We carry (almost) all elements necessary for mounting photovoltaic modules, take a look at our shop or request our complete solar price list without obligation.