Mitutoyo 188-102 Whitworth Screw Pitch Gage Set 4 - 60 TPI 28 Leaves Brand: Mitutoyo ID#: 188-102-MIT |MFGID: 188-102 Your Price: $42.75 Quantity discounts available QuantityPrice Return Policy Qty -+ Add to Cart Request Info Questions?CallCall Us864.433.9771|Mon-Fri 8-5 EST Share Print Product Info Product Information Description Mitutoyo 188-102 Screw Pitch Gage Set, 4 - 60 TPI, 28 Leaves Thread pitch size is stamped on each gage. Whitworth Screw Pitch Gages (55 degree).