Use the table below to find the spool/bobbin dimensions for wire & cable products sold throughout our store. To find the spool size that is used for a specific product, visit the product page and locate the spool size letter code within the specifications section.
(1) Flange Diameter
(2) Traverse
(3) Barrel Outer Diameter
(4) Arbor Hole
| Spool Size | (1) Flange Diameter | (2) Traverse | (3) Barrel Outer Diameter | (4) Arbor Hole | Color |
| A | 2-1/8" | 5/8" | 1-1/8" | 1" | White |
| B | 2-1/8" | 1-1/8" | 1-1/8" | 1" | White |
| C | 2-1/8" | 2-1/8" | 1-1/8" | 1" | White |
| D | 2-7/8" | 2-1/8" | 1-1/8" | 1" | White |
| E | 5" | 2" | 1-7/8" | .78" | Black |
| F | 5" | 4" | 1-7/8" | .78" | Black |
| G | 6-1/2" | 2-1/2" | 2" | .78" | Black |
| H | 6-1/2" | 4-1/2" | 2" | .78" | Black |
| I | 6-1/2" | 6" | 2" | .78" | Black |
| J | 6-1/2" | 8" | 2" | .78" | Black |
| K | 10" | 8" | 3-1/2" | .78" | Black |
| L | 10" | 10" | 3-1/2" | .78" | Black |
| M | 4-1/2" | 3-1/2" | 3" | .75" | Black |
| N | 6" | 3-1/2" | 3-1/2" | .75" | Black |