3pcs 30-Tooth Timing Pulley Wheel 8mm Inner Diameter Idler Pulley for 3D

Gear clamp mount pulley--the timing belt pulley especially suitable for linear motion and positioning, suitable for 6mm width timing belt, Timing Belt Idler Pulley; Teeth synchronous wheel--the rounded teeth of this pulley and belt are engaged together longer providing a smoother transition between teeth, Idler Pulley for 3D Printer; Aluminum alloy pulley--timing belt pulley system especially suited for linear movement and positioning, 3d printer parts; Timing belt wheel--a substitute idler pulley for your broken or worn out one, Tensioner Spring; Wheel for 3d printer--special design and fine craftsmanship, the replacement for your old, broken one, synchronous wheel

What's in the box
3 x 3D Printer Accessories