KeeYees Professional 3D Printer CNC Kit with E-Tutorial - CNC Shield Expansion Board V3.0 R3 Board A4988 Stepper Motor Driver DC Power Cable Mechanical Switch Endstop with Jumper caps sold2024 Simonds International manufactures tools for

Simonds International manufactures tools for cutting and finishing

great for wet or dry sanding

Multiple grit design: there are 3 pieces of bristle disc in the package

and turn unclockwise to decrease pressure of stones

KeeYees Professional 3D Printer CNC Kit with E-Tutorial - CNC Shield Expansion Board V3.0 R3 Board A4988 Stepper Motor Driver DC Power Cable Mechanical Switch Endstop with Jumper caps sold2024 Simonds International manufactures tools forKeeYees Professional 3D Printer CNC Kit with E Tutorial CNC Shield Expansion Board V3. 0 R3 Board A4988 Stepper Motor Driver DC Power Cable Mechanical Switch Endstop with Jumper caps CNC Expansion Board: GRBL 0. 9 compatible Runs on 12 36V DC 4 Axis support: X, Y, Z It can drive 4 stepper motors, and each stepper motor only needs 2 IO ports. That is to say, 6 IO ports can manage 3 stepper motors very well, which is very convenient to use. A4988