YARNOW Double Pole Double Throw Knife Switch Electrical Experimental Equipment Plastic Blades Teaching Instrument for School Science Projects and Physics Lab

Package Include 1 x Characteristics -Color: Black -Size: About 10.00X5.50X2.50cm/3.93X2.16X0.98inch -Product Info:Double blade switch -Material: Plastic, metal - Made of , high strength, good toughness, not easy to crack. - Though it is simple in design, it's so practical when you use it Electronic Experimenting Equipment. - Great for students and beginners who want to learn basic circuit Double Pole Double Throw. - Funny enough to strengthen the manual ability and learning interest Electrical Laboratory Equipment. - and , performance Double Knives.Goods DescriptionElectronic Experimenting Equipment This item is a double-pole for students and beginners.Physics Laboratory Equipment Moreover, it can strengthen the student's manual ability and their learning interest.Plastic Double Throw Made of , it is durable and to use.Circuit Experiment Equipment Special equipment for students classroom and laboratory experiments

• Circuit experiment equipment:adopted high-quality material, it is durable for long time use,Electrical Laboratory Equipment
• Double knives:made of , high strength, good toughness, not easy to crack,Double Blades
• Double throw:and , performance,Double-pole
• Electronic experimenting equipment:double-pole for making and breaking electrical connection circuit,Experimenting Tools
• Double pole double throw:to students hands-on ability and learning interest,School Educational Equipment