0.1159" Dia, 2" Long Vermont Gage Class X Minus Pin Gage, manufacturer part number 141211590.
Specifications: Diameter of Measurement: 0.1159 in; Gage Function: No-Go (Minus); Class: X; Tolerance: 0.00004 in; Surface Finish: 4 Micro Finish; Overall Length: 2.0000 in.
Material: Tool Steel. Unit of measure: Inch.