uxcell 8mm M8 Male Thread 90 Degree Angle Grease Nipple Zerk Fitting Product Name : Grease Nipple;Thread Size : M8 (8mm / 0.315") Design : 90;Overall Size : 15.5 x 9.6 x 19mm / 0.61" x 0.38" x 0.75"(L*W*H) Material : Metal;Color : Silver Tone Weight : 7g Package Content : 1 x Grease Nipple