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 , 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: A silver Material:steel Package Contents: 1 set * router bits(50 pcs) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.