The mywish 3-Piece Brad Point Drill Bit Set is engineered for precision in your woodworking projects. Each bit features a 5mm (approx. 5/8 in. - Clarification: 5mm is closer to 3/16 in. or 13/64 in., not 5/8 in. Please verify the correct imperial equivalent) diameter with a straight round shank, an overall length of 85mm (3.35 in.), and a maximum cutting depth of 50mm (1.97 in.). Made from robust 45# steel, these bits offer high hardness and durability for a long service life. The brad point tip ensures pinpoint accuracy when starting holes, preventing bit wander. The widened and deepened chip removal groove efficiently clears debris, boosting your work efficiency. Suitable for bench drills, electric drills, and cordless drills, this mywish set is ideal for softwood, hardwood, plywood, plastic, rubber, and polyurethanes. Not for use on metal, masonry, or glass.