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. Item Type: Grease Nipple Material: Iron Nickel Plating Color: As Pictures Show Specifications Length M6x1 / Straight 12cm/4.7inch M6x1 / 45 17cm/6.7inch M6x1 / 90 22cm/8.7inch M8x1 / Straight 14cm/5.1inch M8x1 / 45 17cm/6.7inch M8x1 / 90 22cm/8.7inch M10x1 / Straight 18cm/7.1inch M10x1 / 45 21cm/8.3inch M10x1 / 90 26cm/10.2inch Item Size: 13 x 7 x 2cm / 5.1 x 2.8 x 0.8inch Package Weight: Approx. 167g Package List: 32 x Grease Nipple 2 x Grease Gun Pointy Tip