Fowler 1/4″ Premium Parallel Set – 52-437-250-0

• Made from high-grade alloy steel, hardened and ground from 1/4″ stock with 2 holes in each parallel.
• 9 pairs, 6″ length, 1/4″ width.
• 3/4″, 7/8″, 1″, 1-1/8″, 1-1/4″, 1-3/8″, 1-1/2″, 1-5/8″ & 1-3/4″
• Height specifications relate to consistency within each pair. Absolute heights are nominal.
• Parallelism: .0002″
• Paired in height: .0002″
• Hardness 52-58 HRC