The PSPW base is intended for joining with concrete wooden poles with a square cross-section. Unlike other bases, the PSPW has fasteners placed in the light of the pole, not outside it. Than Corrosion protection: Galvanic zinc coating-12 μm thick electro-zinc coating is a good substrate for painting when the surface is prepared correctly and right paints are used. In order to ensure good adhesion, any oils or impurities should be carefully removed from the surfaces to be painted. The product can be pretreated by zinc-phosphating or alternative pretreatment suitable for zinc-based coated steel in receiving plant to improve the coating adhesion. (second class of use according to PN-EN1995-1-1: 2010).