uxcell M6 6mm Male Thread 90 Degree Angle Grease Nipple Zerk Fitting Product Name : Grease Nipple;Thread Size : M6 (6mm / 0.236") Design : 90;Overall Size : 15.6 x 9 x 17mm / 0.6" x 0.35" x 0.67"(L*W*H) Material : Metal;Color : Silver Tone Weight : 7g Package Content : 1 x Grease Nipple