Sizing large diameter nuts, bolts, studs & washers
Metric and inch dimensions
Size washers from ¾” to 3 ¼” & 20mm to 80mm
Size studs & bolts from ¾” to 2” & 20mm to 50mm
On the reverse side you can size UNF & UNC nuts from ¾’ to 3’
Also on the reverse side you have a head id chart for inch & metric head markings
Very useful and durable tool.