Wall plates placing and targeting instrument set for constructing sanitary facility in e.g. building, has internal thread temporarily positioned and fixed into wall, and tubes connected to holder through fitting or wire ends

摘要

The set has an internal thread temporarily positioned and fixed into a wall. A set of tubes (2) is connected to a holder (1) through a fitting or wire ends of 25 centimeters, where the tubes have size of 152.7 millimeters.