Adjustable Clamping Capacity : Features a maximums clamping distance of 54mm to accommodate workpieces of varying thicknesses Wide Compatibility : Suitable for most electric drills and square hole bits, making it versatile for different user needs Light weight Design : Weighs only 293g for easy portability and comfortable handling in various working environments High Strength Aluminum Alloy : Made from light weight yet wear resistant aluminum alloy that resists deformation for long term use Precisions Drilling Alignment : Designed specifically for square hole drills to ensures accurate and consistent drilling without deviation, Manufacturer: Oxxggkao