Description Tapered Arrows Test Kit – Not sure what spine you need? We can help you figure that out with our Tapered Arrows Test Kit. This kit comes with 12 port orford cedar arrows in three different spines at full length, approximately 33″. Arrows are fletched with 3 solid 5″ Left Wing Parabolic feathers. These do not come with points. Kits Available: Kit 1 includes: four each of 11/32″ 35/40#, 40/45#, and 45/50# Kit 2 includes: four each of 11/32″ 40/45#, 45/50#, and 50/55# Kit 3 includes: four each of 11/32″ 45/50#, 50/55#, and 55/60# Kit 4 includes: four each of 11/32″ 50/55#, 55/60#, and 60/65#