MFG: SHINANO KENSHI
P/N: STP42D241
COIL: 12V/3.1 ohm/2.9mH
TYPE: 2 Phase Uni-Polar 6 lead
STEP ANGLE: 3 deg 120step/rev
5mm dia. X 24mm steel shaft with metal 20 tooth X 11/16" dia. gear & 22 tooth X 9/16" dia. cog belt pully. 4 corner m3x0.5 mounting holes. 5" leads.