Pistol grip handle: Gives you a steady, familiar hold, so the gun sits right in your hand instead of fighting it.4000 psi rating: Built for serious pressure washing work, with the muscle you want when grime is baked on and stubborn.Heat and chemical resistant seals: They help the gun keep its shape in rough conditions, which is a relief when the job gets messy.1/4 in FNPT x M22 x 1.5 connection: The inlet and outlet setup makes replacement straightforward, so you can get back to work without a fuss.Designed for small hands: The fit is comfortable and less awkward, which matters more than folks think after a long stretch on the wand.