Bolts & Nuts Template SKU - R57 Size - Ranges from 1/4" to 1" as measured across the flats. Contains 13 hexagons in 1/16" increments. 13 circles serve as tangent or chamfer circles for hexagons and bolt body diameters. Includes 9 cut-outs for square heads and nuts. Made of durable, translucent green plastic in the USA.
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