12PCS MINI Wire Brushes, Stainless Steel & Brass Brush Set, Curved Handle Scratch Brush for Automotive, Cleaning Welding Slag and Rust 12Pcs Wire Brushes Set Color:12Pcs Wire Brushes Set Useful for many utility cleaning

Useful for many utility cleaning purposes

A 6MM inner hexagon wrench

4 Controller + Mega 2560 Board + 5pcs A4988 Stepper Motor Driver with Heatsink + LCD 12864 Graphic Smart Display Controller with Adapter for Arduino RepRap

so that the grinding debris can only fly downward from the grinding wheel

EASY AND SMOOTH removal of burrs

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