Draper Air Grease Gun: This Continuous Action Air Grease Gun is designed for professional and DIY use. With a maximum working pressure of 120 psi, it's ideal for applying grease lubricant through an aperture onto a grease nipple. It features a bulk loading valve for quick and easy filling, and an air bleed valve for releasing any trapped air. The pistol hand grip provides a comfortable and secure hold, while the angular rigid steel delivery tube and flexible delivery tube offer versatility and precision when applying grease.