Test Dial Indicator .0005" Holder Quill Bridgeport Mill Holder with Case Case Overall Dimension: 5 in L x 9-1/2 in W x 1-7/8 in H *Rough Estimation* Weight: .55 Pounds *Rough Estimation* Easy to read 1-3/16'' white face with black markings Crisp graduations Graduations: 0.0005'' per line Ideal for Bridgeport Does not disturb the working tool. Adapts immediately for fast and positive indicating. Mounts with single pressure screw directly on machine quill, bypassing the working tool. Frame features 3-point rotation with opposed pressure screw for rigid mounting. Easy-to-read 1-3/16" diameter face, 0.0005" graduation, 5/32" and 3/8" diameter posts with dovetail clamp, and automatic reversing. Meets federal specifications for accuracy. Has .030 travel and a hair trigger response to the lightest pressure. Qty: 2 Sets Light Item