Features:_x000D_ _x000D_ Made of high quality material, durable to use. _x000D_ Brand complete tension assembly for industrial 9000 computerized flat bed sewing machines. _x000D_ These practical parts have smooth surface, no scratches, greatly increase your efficiency. _x000D_ Creating many professional sewing craft and saves much time. _x000D_ One set includes 3 pieces of sewing machine accessories, very functional for all your sewing needs. _x000D_ _x000D_ Specification:_x000D_ Material: Metal & Plastic_x000D_ Weight: 80g/2.8oz_x000D_ Quantity: 3pcs_x000D_ Each Product Length: 3.5cm/1.4inch; 4cm/1.6inch; 6cm/2.4inch (as pictures shown)_x000D_ _x000D_ Package List:_x000D_ 3 x Thread Tension Assembly_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 1Made of high quality material, durable to use. 2Brand complete tension assembly for industrial 9000 computerized flat bed sewing machine. 3These practical parts have smooth surface, no scratches, greatly increase your efficiency. 4Creating many professional sewing craft and saves much time. 5One set includes 3 pieces of sewing machine accessories, very functional for all your sewing needs.