Manufacturer: Anytime Tools
Brand: Anytime Tools
Professional Quality Precision Measuring Tool Measure dimensions from inside of holes to outside edges. The spherical anvil or spindle contacts the inside curved surface at a single point, permitting accurate gaging of wall thickness to 0.0001". The back side of the anvil stem of the Ball-Anvil Tube Micrometers is cut away, making it slim enough to insert into small parts such as sleeves, collars, tubing and other cylindrical workpieces to measure wall thickness. Features: Ball on static anvil and flat on rotating anvil.Microfine graduations on satin chrome. Anvil and spindle hardened and ground; spindle thread hardened, ground and lapped. A wrench is included for quick and easy zero adjustment on sleeve. Ratchet stop thimble for exact readings. Accuracy: 0.0001". Meets or exceeds Federal accuracy specs. Includes fitted case.