Mainly suitable for hot air guns equipped with a diaphragm pump Made of high quality metal, high hardness, high strength, wear-resistant and long service life Installed on hot air guns for assembly and disassembly of electrical elements of various sizes High temperature resistant, no leakage, convenient to replace The easiest way to mechanically lubricate, for the connection between grease guns and mechanical equipment Specification: Item Type: Grease Nipple Material: Iron-nickel plating Color: As pictures shown Features Length M6*1/Straight 12cm/4.7in M6*1/45 17cm/6.7inch M6*1/90 22cm/8.7inch M8*1/straight 14cm/5.1inch M8*1/45 17cm/6.7inch M8*1/90 22cm/8.7inch M10*1/straight 18cm/7.1inch M10*1/45 21cm/8.3inch M10*1/90 26cm/10.2inch Item Size: 13*7*2cm/5.1* 2.8 * 0.8 inch Package Weight: Approx. 284g Package List: 45 * Grease Nipple