1.all kinds of straight grease nipples, 30, 45, 65 and 90 2.degree grease nipples 3.with C-N hardness treatment Durable grease nipplesWe can supply all kinds of straight grease nipples,and 30, 45, 65 and 90 degree grease nipples,as well as button head nipples.Also with C-N hardness treatment. Durable grease nipples