Suggestions:
Qty. 1-20 Gauges ship in the Small Flat Rate Box.
Qty. 21-200 Gauges ship in the Medium Flat Rate Box.
Qty. 201-320 (Domestic only) Gauges ship in the Large Flat Rate Box.

With a protective tube ($1 additional each):
Qty. 1-8 Gauges with tubes ship in the Small Flat Rate Box.
Qty. 9-80 Gauges with tubes ship in the Medium Flat Rate Box.
Qty. 81-125 Gauges ship in the Large Flat Rate Box.

Item Weight [ea.]: 1.5 oz. (0.1 lbs)
Dimensions: 5/8" x 5/8" x 6.5"