DOGYU Outer Wall Inspection Tool Pen-Type Percussion Stick G Pen [Storage-Up To 140-620mm] 01129

Product code: 01129
Total weight: about 60g
Ball diameter: 17mm
Storage-longest: about 140-620mm
Shaft: 7-stage telescopic stainless steel tube / pen clip type scale
JAN code: 4962819011294
Less repulsion using brass balls!
-Since the balls are brass balls, there is no iron rust.
-Can be used for shooting with a scale of 10cm increments.
-To check the position of 9 hole square holes and 6 square holes.
-For checking the length of digital camera photography such as cracks.