Producto: 2PCS Forstner Bit Extension Set With Anti-Slip Design,Adding Over 3.28"&5.64" Drilling Depth To Forstner Bit,Suitable For Process Wooden Furniture,Timber And Etc.(Tamaño: 1PCS 4.48"+1PCS 6.81")

★ Forstner Bit Extension Set +++Size:Length-4.48 (3.28 Drilling Depth)+6.81(5.64 Drilling Depth) +++Material:High-carbon steel +++Shank:3/8 ★ Features: ——We developed a non-slip design for the part that attaches to the drill rig, so that the drill jaws can firmly grip the extension while rotating at high speeds, further preventing work errors. ——The inside diameter of our forstner drill bit extension collet is 3/8 inch, so this extension will only fit forstner drill bits with 3/8 inch or smaller shanks, please check the size to see if it will fit your drill bit before purchasing. ——Our extension poles are built with rugged, high carbon steel for structural stability, with precision ground and polished surfaces. Simple & Efficient:When we need to drill deeper holes in certain woods,normal forstner bits are often not long enough;So we offer two extensions for drilling depths of 3.28 and 5.64 deeper,which require only simple installation for deeper holes Non-slip Design:The traditional forstner drill extensions were prone to slipping when working with hardwoods, so we developed a non-slip design for the part that attaches to the drill rig, so that the drill jaws can firmly grip the extension Note:The inside diameter of our forstner drill bit extension collet is 3/8 inch,so it will only fit forstner drill bits with 3/8 inch or smaller shanks;Tighten the screw before use to prevent the drill bit from slipping when rotating at high speed Good Tools Require Good Materials:Our extension poles are built with rugged,high carbon steel for structural stability,with precision ground and polished surfaces;The shanks are 3/8 in diameter and will fit most drills