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

Features:

• 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:±0.0002"
• Paired in height:±0.0002"
• Hardness 52-58 HRC