Brass Grease Nipple Fittings Set Set Includes 9 Most Used Sizes: M6, M8, M10, Straight, 90-Degree, 45-Degree Made of Good Quality Brass and are Hardened to Prevent Wear. Anti-corrosion and Durable The Grease Zerk Nipple mouth is flat and smooth, great for fastening. The thread is deeply, thread pitch more sturdy, it will not slippery when rotating. Suitable for most automotive, motorcycle, truck, farm, and industrial applications. Specifications: Product Name: Grease Nipple Fittings (Metric) Thread Pitch: 1mm Size includes: M6 Straight, 90-Degree, 45-Degree M8 Straight, 90-Degree, 45-Degree M10 Straight, 90-Degree, 45-Degree Color: yellow Material: Brass Package Contents: 28 * M6 * 1mm Straight Grease Fitting 20 * M6 * 1mm 90-Degree Grease Fitting 20 * M6 * 1mm 45-Degree Grease Fitting 15 * M8 * 1mm Straight Grease Fitting 15 * M8 * 1mm 90-Degree Grease Fitting 15 * M8 * 1mm 45-Degree Grease Fitting 12 * M10 * 1mm Straight Grease Fitting 10 * M10 * 1mm 90-Degree Grease Fitting 10 * M10 * 1mm 45-Degree Grease Fitting Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.