Pololu 3690 / 3691 Multi-Hub Wheel with Inserts for 3mm and 4mm Shafts - 80×10mm - 2-Pack GP AAA 24G R03 Carbon Battery 1.5V Non-rechargeable (Pack of 2) and laser engravers with GRBL

and laser engravers with GRBL or Mach3 control

Attribute Details Product Type J-Head V6 Heat Sink Assembly Configuration 2-in-1 Dual Head Design Material Aluminum Block (High Thermal Conductivity) Compatibility E3d 3D Printer Systems Origin Original/Authentic Warranty 7-day warranty on manufacturing defects Coverage Support 24/7 Email & WhatsApp Assistance Shipping 1-5 days from Bengaluru warehouse

USB Plug-and-Play Connectivity: Immediate enumeration as serial device with CDC drivers for cross-platform compatibility

24/7 expert support via email and WhatsApp to help with installation and troubleshooting

TTP223B Capacitive Touch Sensor Module

Pololu 3690 / 3691 Multi-Hub Wheel with Inserts for 3mm and 4mm Shafts - 80×10mm - 2-Pack GP AAA 24G R03 Carbon Battery 1.5V Non-rechargeable (Pack of 2) and laser engravers with GRBLPololu 3690 3691 Multi Hub Wheel with Inserts for 3mm and 4mm Shafts 8010mm 2 Pack The Pololu 3690 3691 Multi Hub Wheel is a versatile 80mm diameter wheel with 10mm width designed for robotics and mobile platform applications requiring dual shaft compatibility. Professional roboticists, autonomous vehicle developers, and educational institutions use these wheels to build adaptable drivetrain systems that accommodate both 3mm and 4mm motor shafts