Resoluble calorie of drift size gauge tool

The utility model provides a resoluble calorie of drift size gauge tool, including tubing coupling, keep off and connecting, the inner tube, the drifting pipe, connecting dowel, the upper portion of inner tube is passed and is kept off the sub -unit connection that connects back and tubing coupling, keep off connecting and install on the inner tube by connecting dowel, the lower part of drifting pipe is milled and is had many flutings, the lower part that makes the drifting pipe becomes a plurality of the bodies, its lower part appearance can be reduced, outside of tubes including the driftingpipe box dress, the upper portion of drifting pipe and the sub -unit connection that keeps off the joint, the lower extreme inner wall of drifting pipe and the lower extreme outer wall contact of inner tube, each body of portion that makes the drifting manage receives the restraint can not the adduction, the sleeve pipe that the drifting pipe is out of shape blocks the back, it breaks connectingdowel to lift the inner tu