[DETAIL] Feature: Versatile: This set includes 5 different sizes of countersink drill bits (#5, #6, #8, #10, #12) to meet all your woodworking needs. High-quality Material: Made of high-speed steel, these drill bits are durable and long-lasting. Easy to Use: With a 1/4" hex shank, these drill bits can be easily installed on most power tools. Precise Countersinking: The countersink design allows for a smooth and precise finish on your woodworking projects. Convenient Set: Comes with an L-wrench for easy installation and storage of the drill bits. Specifications: *Material: Drill Bit: HSS 4241, Black Chamfe: Carbon Steel *Color: As Pictures Show *Size (Approx): 5#: 1.98mm 50 mm (length) 6#: 2.38mm 55mm (length) 8#: 2.78mm 60mm (length) 10#: 3.175mm 63mm (length) 12#: 3.56mm 65mm (length) *Shank: 1/4 hex shank, 6.35mm *Quantity: 5pcs / set Package Contents: 1 Set of Drill Bits (5pcs bagged) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. [ATTRIBUTES] - Origin: Mainland China - DIY Supplies: Woodworking - Type: Twist Drill Bit - Origin: Mainland China - DIY Supplies: Woodworking - Type: Twist Drill Bit