This newly designed spine tester is just what archery efectionardo's have been waiting for, you can choose either the weight for wood arrows or for carbon.
If you want to measure spine on carbon/aluminium arrows as well as wood's buy the special weight for carbon arrows.
It mounts on your wall doesn’t take up bench space!
Engineered and calibrated to give spine and deflection reading equivalent to a full size spine tester.
Reads 25 to 100 lb. spine and .200 to .900 inches of deflection.
Works with shafts 5/16 to 23/64 diameter.
Optional ½ lb. weight allows readings down to 12.5 lbs.
Place arrow as shown in photo, zero by turning cam and hang weight.
Made from quality steel and brass.
It is very durable & easy to use.