Concrete Drill Bit lengthening 1pcs 3/4" X 12"-10" Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Extra Long Hammer Drill Bits for Concrete BinoBro 【Automatic Locking Design】The drawers of

【Automatic Locking Design】The drawers of top chest can be opened when the cover is lifted

2mm) thick high energy magnet

Distinctive chisel points mean fewer frustrating jams and interruptions

precise marking

Improves overall warehouse safety

Concrete Drill Bit lengthening 1pcs 3/4" X 12"-10" Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Extra Long Hammer Drill Bits for Concrete BinoBro 【Automatic Locking Design】The drawers ofAbout this item SIZE INTRODUCTION: The total length is 12 inches, the actual effective length is 10 inches. Alloy Cutter Head: The harder cross cutter is easier and more efficient for drilling work. Material: High strength alloy steel is made by Wensilon, very hard. Ripple design: double line of drill bit design, drilling and punching is faster, stone powder is easier to peel off from the wall. Compatible with most brands of impact drills on the