【USAGE】Check arrow straightness, correctly detect the balance straightness of your arrow, nock alignment, vane and feather balance, to ensure shooting accuracy better. Arrow straightness will influence the precision of your shot.
【Adjustable Use Length】More simple compact and portable design, fit for testing different arrows/shafts length.
【HOW TO USE】Put the arrow support on the arrow measuring instrument and slowly rotate the shaft with your hand. Good straight arrows' arrowhead will stay steady. Fit for all kinds of arrows, such as carbon arrows, fiberglass arrows, aluminum arrows.
【STURDY & DURABLE】The main doby is made of aluminum, ensure long time use. Equipped with high precision Bearings providing large surface to support the arrow and achieve allow smooth operation even under high pressure.rings provide large surface to support the and achieve allow smooth operation even under high pressure.
When DIY arrows by yourself and use them before cutting lengths to check for defects. Even after they have been cut and folded, they are rotated again for inspection. Notice: Excess glue at fletching time could cause an arrow to be out of balance.