Unbreakable 2 Wheel Drive Double Layer Smart Robo Car Chassis DIY Kit

About this item

• Compatible with most of rotary tools used in hardware,hobby,home,etc
• Suitable for installation inside diameter of less than 3.0mm drill,electric grinding,hanging mill,hose above
• Suitable for use with sheet iron, aluminum, copper, plastic etc.
• Material: Brass Package Includes: 1 Piece Axis Copper Cap 1 Piece Allen wrench 1 Piece 0.5mm drill collet 1 Piece 1.0mm drill collet 1 Piece 1.5mm drill collet 1 Piece 2.5mm drill collet 1 Piece 3.0mm drill collet