Replacing OEM numbers:42-38-0142, which is a direct replacement for the old or broken one. Compatible with Milwaukee 2740-20 M18 fuel 18ga brad nailer. The product dimensions are 0.5 inches (1.27 cm) in length, 0.48 inches (1.21 cm) in width, and 0.187 inches (0.475 cm) in height. Easy installation, can be replaced directly without adjustment, great compatibility and high reliability. Product include a total of 5pcsnailer rubber tip, which can completely meet your daily use needs and replacement., Manufacturer: eMagTech