DIY 4D-5 D Style 4mm 0.5 Module Plastic Gear (2 PCS)
Color White Model 4D-5 Material Plastic Quantity 2 Piece Compatible Model DIY car model wheel gear Certification Module: 0.5; Hole diameter: 4mm; Teeth number: 16; thickness: 7.5mm; Gear diameter: 15mm; D style hole Packing List 2 x Gears