This drill has a shank and tip diameter of approximately 1/8 inch, an overall length of approximately 2.35 inches, and a depth of cut of approximately 3/4 inch, the dimensions are calculated to make the drill fit your tool and provide ideal grip during use This drywall cutting tool is made from High-quality materials for excellent durability and long lasting use even in demanding cutting applications The drywall drill cuts up to 3/4 inch deep and the wood drill cuts up to 1 inch deep; this makes it more versatile and provides excellent control and precision in every cut Whether it's for DIY woodworking, drywall repairs, construction tasks or simple detailing projects around the house, this drywall cutting drill kit has you covered; it works smoothly on a wide variety of materials such as wood, plastic, and gypsum boards The 1/8 inch drywall drill bits are perfect for making clean and accurate cuts in drywall. Whether you are installing a electrical outlet or cutting wood or plastic, these drywall bits are ideal. Product name: Drywall Bit Size: 6 x 0.317cm / 2.35 x 0.125inch Application: for wood and plastic guide point cutting drill diameter wood milling spiral saws Parts List: 50 x Drill Bit Colour: B gold Material:steel Package Contents: 1 set * router bits(50 pcs)