The Milwaukee 48-32-4423 SHOCKWAVE 1-inch Insert Bit SQ3 Square Recess is a high-quality drill bit designed for precise and efficient cutting. Made of durable steel material, this black-colored bit is perfect for both home and workshop use. The bit is designed to fit a 1-inch insert and has a square shape for easy handling. This drill bit is a must-have for any DIY enthusiast or professional contractor. The Milwaukee brand is known for its high-quality power tools and this drill bit is no exception. Whether you are working on a small home improvement project or a large construction site, this drill bit is sure to get the job done.