Ace Spine Master 203

This convenient spine tester mounts on your wall saving your bench space.

Engineered from quality steel and brass, calibrated to give spine and deflection reading equivalent to a full size spine tester. The ACE spine master 203 reads 25 to 100 lb spine and .200 to .900" of deflection.

Works with shafts 5/16 to 23/64 diameter. Optional 1/2 lb. weight allows readings down to 12.5 lbs.

Place an arrow as shown in photo and zero by turning cam and hang weight.