Compatibility: It is specifically designed as an aftermarket replacement part for compatible Makita-type circular saws (specifically models 5806B, 5800NB, and similar 180mm/185mm power saws).Electrical Specs: Operates at 220V–240V alternating current at 50Hz.Features: It includes a precision-wound copper core for power transmission, a segmented copper commutator, and an attached black plastic cooling fan blade to prevent overheating during tool operation.