uxcell 5mm Inner Dia H15xD15 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Black 2pcs Color:Black GREAT EDUCATIONAL STEM TOY AND

GREAT EDUCATIONAL STEM TOY AND GAME - This is a helpful learning tool for ANY child

Keadic 80Pcs 1/4"-15/16" 304 Stainless Steel Single Ear Hose Clamps Pex Pinch Clamp Assortment Kit with Ear Clamp Pincer for Securing Pipe Hoses and Automotive Use

9 nanometers

Rack and contact point is Made of hardened stainless steel

uxcell 5mm Inner Dia H15xD15 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Black 2pcs Color:Black GREAT EDUCATIONAL STEM TOY ANDuxcell 5mm Inner Dia H15xD15 Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts Black 2pcs Product Features Material: Iron Plating; Color: Black; Inner Diameter: 5mm 0. 19 inch; Total Height: 15mm 0. 59 inch; Cylinder Outer Diameter: 15mm 0. 59 inch; Cylinder Height: 11mm 0. 39 inch; Base Diameter: 28mm 0. 92 inch; Base Height: 2mm 0. 08 inch; Screw Holding Degree: 90 Type: Flange Shaft Coupling, suitable for model shaft