Du-Bro Låsmutter 4-40 (4)

Zinc plated, aircraft quality, nylon insert lock nuts. 4/pkg

Weights:

• 2-56 - 0.5 gram
• 4-40 - 0.5 gram
• 6-32 - 0.75 gram
• 8-32 - 1.75 grams
• 10-32 - 2.0 grams
• 1/4-20 - 3.5 grams