23 using a force or interference fit together with other appropriate attachment provision such as for instance adhesive or sonic welding formed in an outer surface of the handle housing 20 is a radially extending or upward extending with the device oriented as drawn in fig1 trigger guard 25 and a plurality of ribs 26 to facilitate positive grasping of the device by a user also formed in the handle housing through the cylindrical wall 21 for communication with the cylindrical interior passage 24 is a generally circular grease port 27 a frontal housing 30 is secured to the forward end of the handle housing 20 again by any appropriate means such as adhesive sonic welding etc but preferably by a snap fit and defines a generally tapered forward extending nose portion 40 with a needle passing aperture 42 formed at the forwardmost tip and a tapered passage 41 generally coextensive with the nose portion 40 and communicating between the interior cavity 33 of the frontal housing and the needle aperture 42 formed transversely through either the frontal housing 30 or the front end of the handle housing 20 but preferably through the latter is a pair of opposed slots 31 32 a lock slider or trigger 50 to some extent better seen in fig3 and 4 defines an elongated generally planar lock member 52 preferably formed of a strong material such as metal and slidably received through the opposed slots 31 and 32.