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Wire & Cable Spool Sizes

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 HoleColor
A2-1/8"5/8"1-1/8"1"White
B2-1/8"1-1/8"1-1/8"1"White
C2-1/8"2-1/8"1-1/8"1"White
D2-7/8"2-1/8"1-1/8"1"White
E5"2"1-7/8".78"Black
F5"4"1-7/8".78"Black
G6-1/2"2-1/2"2".78"Black
H6-1/2"4-1/2"2".78"Black
I6-1/2"6"2".78"Black
J6-1/2"8"2".78"Black
K10"8"3-1/2".78"Black
L10"10"3-1/2".78"Black
M4-1/2"3-1/2"3".75"Black
N6"3-1/2"3-1/2".75"Black