Features 1、Made of qualified metal material, high hardness, rust-resistance, oil spill proof, ensures a long service time. 2、A pack of 60 grease nipple fitting assortment kit, which is used to feed lubricant into a bearing. 3、Different sizes and types grease fittings for different needs. 4、Comes with a plastic case for easy storage. 5、These commonly used zerks very suitable for many most automotive, motorcycle, truck, farm, and industrial applications. Specification Features: Made of qualified metal material, high hardness, rust-resistance, oil spill proof, ensures a long service time. A pack of 60 grease nipple fitting assortment kit, which is used to feed lubricant into a bearing. Different sizes and types grease fittings for different needs. Comes with a plastic case for easy storage. These commonly used zerks very suitable for many most automotive, motorcycle, truck, farm, and industrial applications. Specification: Material: Iron nickel plating Weight: 298g/10.5oz Specifications Length M6*1 / Straight 12cm/4.7inch M8*1 / Straight 14cm/5.1inch M10*1 / Straight 18cm/7.1inch Package List: 20 * M6*1 Straight Grease Nipple 20 * M8*1 Straight Grease Nipple 20 * M10*1 Straight Grease Nipple 1 * Grease Gun Flat Mouth Package List