Gt2 20T 10mm belt timing belt pulley

1.From the original ordinary 0.3-line high-temperature line to 0.5-line thick white high-temperature line, can bear higher temperature, and looks more

2MM INNER , 4MM OUTER 100% brand new and high quality Product Shape: Same as the picture show Material: PTFE

MK8 Silicone made of heat-resistant, non-stick silicone material ,much more durable and functional ,better than before PTFE tape and heat