The Lumax 1/8 in. NPT Standard Grease Coupler 4 Pack is a high-quality set of grease couplers designed for automotive use. Made by the trusted brand Lumax, these couplers are manufactured in China and are specifically crafted for easy and efficient greasing tasks. With the manufacturer part number X-1400-2, this 4 pack ensures that you have an ample supply of reliable grease couplers for your automotive maintenance needs. Ideal for use with grease guns, this product is a must-have for any mechanic or car enthusiast looking to keep their vehicle in top condition.