The product is a set of 100 heavy-duty 8mm 90-degree nipple grease fittings manufactured by Mize Wire. These fittings, also known as Zerks, are commonly used in hydraulic and pneumatic systems for lubrication. The 90-degree angle design allows for easier access in tight spaces, making it ideal for various industrial applications where precise greasing is required. The Mize 100 PC Heavy Duty 8mm 90 Degree Nipple Grease Fitting Zerks Zm908 provides a reliable solution for maintaining smooth operation of machinery and equipment.