• 12 Volt 40 Watt (12v 40w) MK10 3D Printer Ceramic Heater Cartridge with a 1/4-in (6.35mm) Diameter and 1m Wire
• Designed to be the proper OEM fit for 3D printers with an MK10 extruder and a 6.35 mm (1/4 inch) heater block bore
• Compatible with Wanhao Duplicator i3, FlashForge Creator, Monoprice Maker Select v1/v2/v2.1 FDM/FFF Printers with 1/4in heater hole
• Length: 20mm / Diameter: 6.35mm – Wire Length: 100cm
• 1/4 (0.25in) US Standard Size Often Hard to Find – Used on many American and Chinese Made 3d Printers designed for the US Market