Description: Widely applied for grease guns, bearing housings and mechanical component lubrication M8x1 thread grease nipple fittings. Straight angle design. Made of Brass material to ensure long service life. The grease nipple mouth is flat and smooth, good for fastening. The thread is deep, the thread pitch is sturdy, and it will not be slippery when rotating. One sprung ball check prevents the entrance of dirt. Resistant to high temperature, no leakage, convenience to replace, versatility. Suitable for most automotive, motorcycle, truck, and industrial applications. Note: Please check the size and make sure this is the correct part for your unit. Specification: Material: Brass Color: Gold Tone Size: 10x9x13mm / 0.39"x0.35"x0.51"(L*W*H) Thread Size: M8x1 Degree: Straight 180 Degree Angle Package Included:25 Pcs Straight 180 Degree Angle Grease Zerk Nipple Fitting