Comparison : Item # 56J-1, Stainlessmotors Pharmaceutical Series NEMA JM Frames
Item # 143JM-1, Stainlessmotors Pharmaceutical Series NEMA JM Frames
Item # 143JP-1, Stainlessmotors Pharmaceutical Series NEMA JM Frames
Item # 56J-1 1/2, Stainlessmotors Pharmaceutical Series NEMA JM Frames
Item # 143JM-1 1/2, Stainlessmotors Pharmaceutical Series NEMA JM Frames