Feature(may vary by option.)

●USA Seller, Ship Fast! Features:Used for wood hole punching&positioning, aluminum punching, thin metal punching, etc.Open out two holes one-time, sharp and high hardness. Positioning the depth freely, easy and relaxing while processing. Rustproof, durable, convenient to maintain.
●Instructions:Adapts the height of drill;Clips the plank;Put the drill into the hole to reach the plank;Slowly at the first, quicken the rotating speed when the drill head has been drilled into half or full.

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Description

USA Seller, Ship Fast! Features:Used for wood hole punching&positioning, aluminum punching, thin metal punching, etc.Open out two holes one-time, sharp and high hardness. Positioning the depth freely, easy and relaxing while processing. Rustproof, durable, convenient to maintain. Instructions:Adapts the height of drill;Clips the plank;Put the drill into the hole to reach the plank;Slowly at the first, quicken the rotating speed when the drill head has been drilled into half or full.