OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap auspowers_batchone Sleeves are easily removed and

Sleeves are easily removed and replaced~

soft magnetic adhesive plate and gold frosted PEI spring steel plate

Forney 60051 Mounted Grinding Stone with 1/4-Inch Shank

including ferrous alloys

OSOYOO 3D Printer Kit with RAMPS 1.4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap auspowers_batchone Sleeves are easily removed andOSOYOO 3D Printer Kit with RAMPS 1. 4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap Caution: 1) The max power supply for these ramps is 12V and the max watts is about 180W. The max watts for the hotbed is about 100W and the max temperature is just 50 degree Celsius. 2) Do not plug or unplug and wire or module when power is on, do not even touch