Meet the RSP Water & Vacuum Cap - RBP-516, your new best friend for plugging up hoses and lines like a pro. This unassuming little cap might be small, but it's a big deal when it comes to getting the job done right.

Got a hose or line that needs sealing off? The RBP-516 Blanking Cap is your go-to solution. It's a perfect fit for 5/16" connections, making it super versatile for all sorts of plumbing and vacuum projects. Whether you're fixing up your car, tackling household repairs, or just want to keep things neat and tidy, this cap has got your back. It's like a tiny superhero for your plumbing needs, and it's ready to save the day, one 5/16" connection at a time!