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The top panel is clearly marked with the resistance value
• Drawcord closure and shoulder strap
The series offers a sytematic approach to the teaching of the main elements of core learning for children aged 4-7
visual memory
the ruler easily folds to a compact size for easy storage
Precision Resistance Unit Film 5 Ohm Outdoor play The top panel is clearlyThis Resistance Unit is based on a high stability metal film element. It offers improved accuracy and robustness, and is less expensive than traditional resistance coils. Features: Accuracy 1% Resistance: 5 ohms Max (V): 1. 6 Max (mA): 320 Each sold individually
US$ 37.00
US$ 25.99
US$ 308.00