The Original JayCee Billet breather stand is made of 6061 T6 aluminum. This product is anodized for a long lasting finish in Red, Black or Blue and is 100% machined, not welded! The breather stand delivers a dual purpose! Easy to fill oil and a breather mount with a 3/8 NPT hole in the backside if requested at no charge! Along with the JayCee laser engraved logo on the oil cap a o-ring insures a leak proof product.