uxcell 10 Pcs Silver Tone 6mm x 1mm Male Thread Straight Grease Nipple Zerk Nozzle Product Name : Grease Nipple;Thread Dia. : 6mm / 0.24" Thread Pitch : 1mm/ 0.04";Design : Straight Overall Size : 13 x 8mm / 0.51" x 0.31" (L*W);Material : Metal Color : Silver Tone;Weight : 28g Package Content : 10 x Grease Nipple