Description : 2 x T2.5 Timing Pulleys + 2M T2.5 Timing Belt for RepRap Prusa Mendel Timing Belt Details : Materials : Polyurethane, Nylon Reinforced, Extruded Endless Good Anti-Cracking Performance, and Small Extending Rate Long Service Life, Bearing Wear and Tear, Resistant to Oil, Heat Normally Used for the X & Y Axis. Can also be Used in Many Other Applications such as Z-Stacking Photos and Camera Rails Ideal for the RepRep, Prusa and Mendel Iterations Pulleys details : 16 Teeth for T2.5 Belt Package Included : 2 x T2.5-16 Aluminium Pulleys 1 x 2m Timing Belt 1 x Wrench 4 x grub screws Details pictures :