The TSUBAKI EWM63V100R-LU040Y gear reducer is a high-quality product manufactured by Tsubaki, a reputable brand in the industry. With a 1:100 gear ratio, this gear reducer is designed to reduce the speed of a motor by a factor of 100, providing precise and efficient control of mechanical systems. The model number TSUBAKI EWM63V100R-LU040Y indicates the specific design and specifications of this gear reducer, ensuring it is suitable for various industrial and business applications requiring accurate speed reduction. OKAY THAT WAS THE AI DESCRIPTION))) -----PLEASE LOOK AT THE PHOTOS THEY ARE WHAT YOU ARE BUYING THIS PIECE IS OLD STOCK NEVER USED, THAT IS BEING SOLD AS IS NO REFUND OR RETURNS ON IT AND NO WARRANTY OF ANY KIND. BOX IS PRETTY TATTERED BUT I WILL DO MY BEST TO MAKE IT WORK FOR SHIPPING. THANK YOU FOR CHECKING IT OUT