VEVOR Woodworking Mortise Machine, 1/2 HP 1700RPM Powermatic Mortiser, With Movable Work Bench Benchtop Mortising Machine, For Making Round Holes Square Holes Or Special Square Holes In Wood

The low-speed motor is a 4-pole motor, while the high-speed motor is a 2-pole motor. The 4-pole motor utilises more materials, resulting in a higher cost than the 2-pole motor. Consequently, the low-speed machine commands a higher price.