Hyjoy 19 millimeter (3/4 Inch) Vertical Drill Locator & Guide for 5/32"-3/8" (4mm-10mm) Drill Bushings — Aluminum Alloy Table/Workbench Hole Guide

Compatibility: Fits seven standard drill sleeve sizes — 4mm (5/32"), 5mm (13/64"), 6mm (15/64"), 7mm (9/32"), 8mm (5/16"), 9mm (23/64"), and 10mm (3/8"). Designed to align with 19mm (3/4") standard countertop holes for versatile woodworking use. Precise alignment: A toothed locating feature secures the guide so the drill bit lines up accurately with your marked layout for true vertical drilling. Stable design: The base combines -density rubber with a weighted aluminum alloy foundation to reduce movement and improve steadiness during operation. Smooth operation: Multi-layer steel sleeve/bushing construction allows the drill bit to travel up and down with lower friction, helping to extend the drill bit's service life. Materials and durability: Main body constructed from aluminum alloy; key components are steel and carbon steel, providing wear and corrosion resistance to prevent deformation over long-term use.