The TurnPro Depth Marking Tool provides and easy way to be sure that tubing is properly inserted in the tube fitting.  This is especially convenience when installing prebent tubing or where confined spaces make it difficult to push tubing into the tube fitting.

Features:

• Sizes from 1/4 to 1 in.  6 to 25 mm.
• Compact size
• Viewing port allow visual confirmation that the tubing has been properly inserted.