Precise 10 Pair 1/8" x 4" Precision Parallel Set - 3900-3002

• Made from fine quality tool steel stress relieved against distortion.
• Precision ground and hardened.
• Complete with fitted durable plastic case.
• 2 holes in each parallel.
• Tolerance is parallel to 0.0003 on 2 sides, top & bottom.
• Dimensions: Within 0.001” Allowance.
• 3900-3002 Includes the following sizes: 1/8 X 1/2 X 4”, 1/8 X 5/8 X 4”, 1/8 X 3/4 X 4”, 1/8 X 7/8 X 4”, 1/8 X 1 X 4”, 1/8 X 1-1/8 X 4”, 1/8 X 1-1/4 X 4”, 1/8 X 1-3/8 X 4”, 1/8 X 1-1/2 X 4”, 1/8 X 1-5/8 X 4"

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