• Field-Fabricate Non-Tempered Glass and Mirror
• Adjustable Stop and Spring Resistance Ensure Safe and Clean Drilling
• Base Gasket Holds the Base in Place While Keeping the Coolant Coralled
• Lightweight and Durable Enough to Withstand the Daily Installation Abuses
• Available with Either a Keyless or Belgium Chuck
• Use With Drills Up to 4-1/2" (114 mm) Diameter

With this CRL Glass Drilling Base, field glass drilling nightmares are a thing of the past. Ever show up to a mirror install just to find out that someone forgot to account for the power outlet? Simply attach your handheld, cordless or electric, drill to the mounted chuck, install the desired bit, add coolant and you are ready to cleanly field-fabricate the mirror. The adjustable stop and spring resistance of this base ensures safe and smooth drilling with minimal "blow-out". The base gasket secures the base from slipping while effectively keeping coolant corralled, reducing clean-up time. The base is available with either a keyless (GDB1) or Belgium thread chuck (GDB2). The lightweight design, durability and functionality of this tool makes it a perfect addition to any mobile installation operation.