This grease nipple is the easiest way to mechanically lubricate, for linking between grease guns and mechanical equipment.Features:1. Made of high quality metal material, which is high hardness, high strength, wear resistant and long service life.2. Mainly suitable for hot air guns which equipped with diaphragm pump.3. Installed on hot air guns for assembling and disassembling electric elements of different sizes.4. Resistant to high temperature, no leakage, convenient to replace. 5. Easiest way to mechanically lubricate, for linking between grease guns and mechanical equipment. Specification:Item Type: Grease NippleMaterial: Iron Nickel Plating Color: As Pictures ShowSpecificationsLengthM6*1 / Straight12cm/4.7inchM6*1 / 4517cm/6.7inchM6*1 / 9022cm/8.7inchM8*1 / Straight14cm/5.1inchM8*1 / 4517cm/6.7inchM8*1 / 9022cm/8.7inchM10*1 / Straight18cm/7.1inchM10*1 / 4521cm/8.3inchM10*1 / 9026cm/10.2inchItem Size: 13 * 7 * 2cm / 5.1 * 2.8 * 0.8inchPackage Weight: Approx. 284gPackage List:45 * Grease Nipple