PERMIT NUMBERS
Nos. S1-S2

USBC Approved bowling pins
& ABC/WIBC Approved pins
26 pictures on this page

"S" stands for "Synthetic" with
Twister being the main producer

Permit numbers shown:
S1 Magna-pin synthetic
S2/S2C Twister synthetic

PERMIT-S1-1

PERMIT-S1-2

PERMIT-S1-3

PERMIT-S1-4

PERMIT-S2-1

PERMIT-S2-2

PERMIT-S2-3

PERMIT-S2-4

PERMIT-S2-5

PERMIT-S2-6

PERMIT-S2-7

PERMIT-S2-8

PERMIT-S2-9

PERMIT-S2-10

PERMIT-S2-11

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