Material: The arrow spinner tester is made of Quility Aluminum Alloy and ABS material,sturdy and durable.
Universal: SOPOGER Arrow Spinner used to determine the straightness of the arrow. The lengthened aluminum alloy plate is better than other spinners.Suitable for most types arrows.
Roller Design: The resistance of the roller is small, the rotation is smooth,measure more accurate and quiet.
Lightweight:Pack it up through quick disassembling, and have it assembled in no time, easy to carry and use.
Easy to use: Put the arrow on the arrow straightness measuring instrument and rotate the shaft. Good straightness arrows will be steady rotation.