Cheap And Discounts Hollow Shaft Single Shaft Magnetic Powder Brake 24V 6-100Nm(0.6-10kg) 1000RPM Tension Controller Kit for Printing Dyeing Machine Wholesale. Buy Directly From Merchant YUN DUAN Industrial 2nd Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.