These forgefix cladding nails are a universally popular fixing nail with a hardwearing polyamide head for increased durabililty when hammering home annular rings on the shank increase holding power the large plastic top distributes the load underneath the head preventing deformation and splitting on the cladding applications the nails are made of stainless steel which offers excellent resistance to corrosion 21 gauge colour white or brown stainless steel does not corrode rust or stain with water