4 Inch x .140 Inch Dry Diamond Core Drill Bit Dimension: 4 in L x 4 in W x 10-1/2 in H *Rough Estimation* Weight: 3.40 Pounds *Rough Estimation* Type: Core Drill Bit Equipped With 10 inch Tube Length, 10mm Rim And 5/8 inch – 11 Threaded Nuts Durable Construction Will Ensure Smooth Operation Of The Drills Perfect For Drilling on Soft Brick, Concrete Block, Lightweight Block, Masonry And Other Similar Materials Works Great For Dry Using Qty: 1 Light Item