About this item All-Metal Build – No Plastic, No Weak Points--Made from premium 6061 aluminum and stainless steel for maximum strength and durability. Precision-machined with smooth chamfered edges for safe handling and long-term reliability. Accurate Counterbore Drilling Made Easy--Includes Φ6.2×Φ10 mm and Φ8.2×Φ14 mm step drills plus Φ10 mm & Φ14 mm drill bushings for precise guided drilling on aluminum extrusions. Quickly create clean counterbores for L-Type and T-Type connections. Fast & Simple Depth Control--Built-in depth reference marks allow quick setup. Only approximate alignment with the reference arrow is required. Tighten the stop collar screw to complete the setup. Wide Compatibility--Works with most standard aluminum extrusion profiles: 20 Series (2020, 2040), 30 Series (3030, 3060) & 40 Series (4040, 4080) Compact & Portable--Comes with a compact storage pouch to keep everything organized and ready for your next project.
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