21 assorted metric grease fittings in nine of the most popular styles and sizes are contained in an easy-to-handle, sturdy plastic box with six separately labeled and illustrated compartments. The assortment includes 3 each of the following; 6 mm x 1 straight, 6 mm x 1 45° angle, 6 mm x 1 90° angle, 8 mm x 1 straight, 8 mm x 1 45° angle, and 8 mm x 1 90° angle. There are 1 each of these fittings: 10 mm x 1 straight, 10 mm x 1 45° angle, 10 mm x 1 90° angle. John Deere grease fittings are manufactured to the most stringent quality standards and are heat-treated to SAE specifications.