Thread Identifier Measures Inch and Metric Thread Pitches Overall Length 21 in Width 2.5 in Material Stainless Steel Range #1-72 #2-56 #2-64 #3-48 #3-56 #4-40 #4-48 #5-40 Identifiers 1-64 M1.6 x 0.20 M1.6 x 0.35 M1.8 x 0.35 M2 x 0.25 M2 x 0.4 M2.5 x 0.35 M2.5 x 0.45 M3 x 0.35 M3 x 0.50 M3.5 x 0.35 M3.5 x 0.6 M1.2 x 0.25 Product Type Thread Identifier Maximum Wire Diameter 0.063 in Wire Length 18 in