US-39508B | Union-Special Looper Lower
US-39508Bgen | Union-Special Looper (lower) Genuine
US-39508Bger | Union-Special Looper Lower German
US-39508C | Union-Special Looper (upper)
US-39508D | Union-Special Looper (lower)
US-39508E | Union-Special Looper 39508-CK
US-39508P | Union-Special Looper (lower)
US-39560B | Union-Special blind Looper
US-39608C | Union-Special Looper Cl39600
US-39808 | Union-Special Looper (chaining)
US-39808A | Union-Special Looper upper
US-39808B | Union-Special Looper lower 39808-D same as 39808-B
US-39808C | Union-Special Looper Upper
US-50309 | Union-Special Looper Genuine
US-50309-KA | Union-Special LOOPER
US-50309F | Union-Special Looper formerly 50309-D
US-50309H | Union-Special Looper formerly A-9772
US-50309K | Union-Special Looper MF-7000
US-50349A | Union-Special Looper
US-51008DA | Union-Special Looper Genuine
US-51008G | Union-Special Looper
US-51108 | Union-Special LOOPER
US-51108DA | Union-Special Looper
US-51108E | Union-Special Looper F/5100RS
US-51108K | Union-Special Looper
US-51208W | Union-Special Looper
US-51308 | Union-Special Looper
US-51309 | Union-Special LOOPER
US-51408-12 | Union-Special Looper
US-51408-16 | Union-Special Looper Genuine
US-51408-18 | Union-Special Looper
US-51408-24 | Union-Special front looper 3/8
US-51408-D10 | Union-Special Looper
US-51409 | Union-Special rear Looper
US-51409C | Union-Special Looper
US-51508-24 | Union-Special Looper
US-51508C1 | Union-Special front Looper use with 51809-C
US-51508G1 | Union-Special Looper
US-51508L48 | Union-Special Looper
US-51509C | Union-Special back Looper Genuine