The WA312-8205-100 is a 31 Series gear housing cover, sized 1/2 in., built to serve as a power take off (PTO) housing cover. It fits the 31 Series PTO gear housing line and is sold as a standalone cover component.Features31 Series gear housing cover1/2 in. sizePower Take Off (PTO) housing coverTech Specs31 Series gear housing1/2 in.