תיאור
- Using to ensure that the nock point is set square on the bow.
 - Recording measurements such as brace height and tiller. Useful for recurve bow, longbow and compound bow.
 - Archery recurve bow equipment bow T ruler to measure brace height.
 - Measure nock point relative to the height of the practice arrow rest is to T-foot Stuck in the bow, then stand at the foot long arrow on stage ,read a short foot nock point distance, the lower edge of the above point is the reference point.
 - Measure the tiller (Upper and lower limbs with the distance difference bowstring) practice is to add T-foot T ends up and down.
 
			
	
		




