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) Basic Arduino knowledge recommended

Basic Arduino knowledge recommended

BMS design

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

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) Basic Arduino knowledge recommendedPololu 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