- Included points can be replaced by pencils, ballpoint pens, crayons or soapstone sticks
- Fine adjusting screw for point setting
- Die-cast body and ground needlepoint legs
- Conforms to U.S. Government Specification GGG-T-661b
- Leg length: 3 in.
- Clamp opening accomodates 3/8 in. to 3/4 in. thick beam