【Size】See the second photo 【Quantity】Set of 2 (with 4 screws) uxcell Timing Pulley Wheel, 60 Teeth, 12mm Bore Diameter, Timing Pulley, Aluminum Synchronous Wheel, for 3D Printer Belt, for CNC Machine, Set of 2 35-74-17, ✼••┈┈┈┈••✼••┈┈┈┈••✼••┈┈┈┈••✼ ■Opened for photography. Please check the actual product photos for the condition. ■Instant purchase and silent purchase are welcome! →#ToyBox's Bargain Products List ■Follow-up discount and bundle discount available! (See profile for details♪) ■Price negotiation OK◎ Feel free to comment! ■Please read the profile and check for any unclear points before purchasing.