Abstract: A device for aiding in the hanging of a picture or similar wall supported member. The device is of an inverted "T" shape having cross arms and a neck part. Slide members are carried on the cross arms to engage a hanging wire. Locating marks on the neck part indicate the top of the picture and are used to position the device at a desired wall location for the picture with the slide members locating the hangers, such as hooks.

Abstract: A grade checker is disclosed to include a vertically disposed telescopic surveying rod, having graduations. A line reel is connected to the top end of a reciprocating rod, and a line guide is connected to the bottom of the recirpocating rod. There is a bull's -eye level on the surveying rod/handle to indicate "true" vertical. A line level on the line indicates "true" horizontal. When the end of the line is connected to a grade stake, and the surveying rod is adjusted, the final grade/cut or fill requirements can be determined.

Abstract: An attachment for a carpenter's folding ruler has an elongated body with a longitudinal slot. The slot is dimensioned to accept the ruler and the ends of the body have flat sections against which part of the ruler can be folded to form certain angles. One of the ends makes a 90.degree. angle with the axis of the slot while the other end is at some angle less than 90.degree.. A level is provided on the body so that it may be vertically or horizontally positioned.