90Deg Grease Whip Zerk Ball Check, 1/4-28 Tapered SAE-LT Thread, 1.2 in OAL, Steel, Zinc Plated, Dixon, Mfr#: GWHZ490R$12.85+
10mm-1.0 x 12mm x 24mm Zinc Plated Steel Extra Fine Thread 45 Degree Angle Grease Fittings 6PK, Midwest Fastener, Mfr#: 67168$10.29+
Wilmar 243122 0.25 x 28 in. Thread Grease Fittings - Pack of 10, Performance Tool, Mfr#: 243122$35.69+