9" x 12" Double Sided Copper Clad Circuit Board, FR-4 Fiber Glass Each gearbox has an 87:1

Each gearbox has an 87:1 ratio and includes an optical quadrature encoder that gives 1000 pulses over 3 revolutions of the output shaft

it is recommended that the device is shut off for 20 minutes to allow cooldown

Fitted plastic case

stripping contaminants straight from the pores of the tool

Ideal for student projects

9" x 12" Double Sided Copper Clad Circuit Board, FR-4 Fiber Glass Each gearbox has an 87:19" x 12" Double Sided Copper Clad Circuit Board FR 4 (Fiber Glass) 1 16" Thick Approximately 1 ounce of Copper per square foot Note: The copper may be lightly scratched or smudged from the manufacturing process. This will not affect the use of the board.