grease fitting: cap for grease nipple color:red,white,green,black size:m6,m8 ... 5degreematerial: mild steel, stainless steel,brass surface plated: zinc, nickel, chrome platedmetric size: M6,M8,M10,M12,M14,M16,M8x1.25 ... 8",1/16",3/8",5/16" and other sizesoffer: OEM service1. The grease nipple is one kind of grease gun ... CIF, CFR8. Shipment date: 10 days9. Payment: TT, Western Union cap for grease fitting