This is the Ultimaker 2+ TFM Teflon coupler

PC filament is known for its excellent impact and heat resistance

Temperature range: -50~70°C

3D printer parts included is hot end eruption pack kit /set heater block+nozzle pack for 1

Button for decreasing the operation time

Timing Belt Couple 3DE Carbon PLA / PETG - 2.85mm This is the Ultimaker 2+Timing Belt Couple The Timing Belt Couple is perfect for 2GT or similar timing belts and is designed to ensure precise and reliable transmission of motion in your mechanical systems. With a size of 9*40 mm and a fixed center bore of M4, this component is ideally suited for systems that require accurate timing and stable operation. The tooth profile has a pitch of 1. 1 mm, a tooth width of 0. 85 mm, and a tooth depth of 0. 9 mm, providing a secure fit