3M1181B-ND tape has a 3" inner diameter. This will be the measurement for the dispenser core size required.
Click here for 3’’ core tape dispenser options 3M56W-ND | 3M448-ND | 3M161534-ND | 3M15551-ND
Summary
1181 X 1/2"
RF EMI SHIELDING TAPE
0-00-54007-27551-0
054007-27551
1181 1/2" X 18 YD
1181 1/2X18
1181 TAPE (1/2)
1181-1/2
1181-1/2"X18YD
11811/2X18
1181X12
3M1181B
5400727551
54007275510
7000132182
80-0180-0265-1
80018002651
H123
scotch
00021200111020
02120011102
2120011102
21200111020
3M161534
70950973001
7100033784
H123-ND
HB900
00051131069930
05113106993
3M15551
5113106993
51131069930
7000131574
78811409719
HB900-ND
P448
00-021200-11065-8
3M448
70-9504-4800-4
7000129253
70950448004
P56W
00-051131-06965-7
3M56W
5113106965
51131069657
7000021402
78-8054-8618-6
78805486186