K & C Plastics Inc

300 per package; 6 1/2" x 5" x 2 3/4"
142 Pen Paks fit the 142 Carrier (53-3225)

25 per bundle; 17 1/2" x 16" x 2 5/8"
This tray holds the 144 Fiber Pak and the S-144 Fiber Pak listed on page 169 of our Hard Goods catalog.

25 per bundle; 15" x 16" x 2 5/8"
This tray holds the 142 Pen Pak listed here as well as the NC142 Fiber Pak found on page 169 of our Hard Goods catalog.