This is an 80-piece assortment box containing 6 types of the most popular grease fittings. Inside the box contains (15) 1/4”-28 straight, (10) 1/4"-28 45-degree, (10) 1/4"-28 90-degree, (25) 1/8” NPT straight, (10) 1/8” NPT 45-degree, and (10) 1/8” NPT 90-degree fittings.