Material: The arrow spinner tester is made of Quility Aluminum Alloy and ABS material,sturdy and durable. Universal: 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. Archery Arrow Spinner Tester Arrow Squaring Tool Straightness Tester Inspector Carbon Arrow Shaft Spinner Balance Check Accessories Material: The arrow spinner tester is made of Quility Aluminum Alloy and ABS material,sturdy and durable. Universal: 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. Payment 1)Please made payment within 7 days after you bid the item, or eBay will open an unpaid case automatic. So please contact us to cancel the item if you do not want to pay the item. 2) Your payment does not include Custom duty. You will be responsible for Custom duty in some circumstances. Terms Or Sale 1) Please contact us first before you start a return. 2) The item comes with 30-Day Money Back Guarantee. 3) If the item is defective or not as described, we will take the responsibility. 4) If you purchased wrong item, don't like it or don't need it any more, the return shipping fee will be at your cost. 5) Our warranty does not extended to any products that are not under normal operating conditions as a result of misuse or improper installation on the buyer or user's part. 6) We accept the return within 30 days after you receive the item. But you need pay for the shipment. After we received your return, we will refund you immediately. Contact us If you have any questions or advice, please don’t hesitate to contact us. Please do let me know before leaving me a neutral or negative feedback. We will reply within 24 hours on weekdays.