Grease Fittings, All sizes priced the same, but you get different quanities. 1/4-28 Straight-13pcs, 3/4" long-5pcs, Angled in degree's 45-7pcs, 65-7pcs and 90-7pcs 1/8" NPT, (pipe Thread) Straight-10pcs, 1" Long-5pcs, Angled in degree's 45-7pcs and 90-7pcs Drive-in Grease Fittings; 3/16"-10pcs, 1/4"-12pcs, 5/16"-10pcs Metric Fittings, 6mm Straight-12pcs, 8mm Straight-10pcs, 8mm 45 degree-10pcs, 10mm 45 degree-10pcs.