Berol Rapidesign Template Metric Hex Bolts & Nuts R-2057

Berol Metric Hexagon Bolts and Nuts template. Contains thread diameter, hexagons, chamfer circles and side elevation of crowns and hexnuts. Includes a convenient 170mm scale across the top edge. Best used with afine point mechanical pencil, fineline markers or technical pens.Specifications:Berol template number: R-2057.Size: 11.5cm x 18.5cm.Thickness: .8mm.Printed Centering Lines.Precision Milled Made in USA