Healifty Physical Electrical Adjustment Resistance Box Variable Resistance Box 0-9999 Ohm for School Lab Use

Package List 1 x Variable Resistance Box Features -Size: About 14.00X10.00X5.00cm/5.50X3.93X1.97in ohm resistor variblew. -Material: Plastic variable resistor box. -Color: Black ohm resistor. - This product is suitable for electrical measurement and other experiments in schools and scientific research institutions variable decade resistor resistance box. - It is lightweight, easy and convenient to carry and store when not in use without any effort resistor box. - The simple design will ensure its high performance as excellent electricity experiment instrument resistance decade substitution box. - It is made of plastic material, and safe, excellent and simple, serving for long time variable ohm resistor. - The variable resistance box is simple and easy to use, bring much convenience to you electronic test resistance decade box checker.Goods Descriptionresistance decade box Are you looking for professional electricity experiment variable resistance box? , ! Our professional electricity experiment variable resistance box must meet your needs.resistor box It is one of for you

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