12pcs Pure Carbon Arrow Spine 700 800 900 1000 Archery Arrows ID4.2mm

12PCS 32 Inches Arrows Archery Pure Carbon Arrows Spine 700/800/900/1000 2 Inches Turkey Feathers Archery Arrows For Recurve Bow Compound Bow Shooting Hunting Arrows 31 Inches Carbon Arrow Shaft

Name: +_0.001 Archery Pure carbon arrow
Material: Pure carbon
Color: 8 color
Spine: 700/800/900/1000
Feathers: 2 inches turkey feather
Arrow overall length: 32"(About 82cm)
Arrow shaft: 31"(About 78.8cm)
Straightness: +_0.001
Arrowhead(700/800 spine): 100 Grain
Arrowhead(900/1000 spine): 80 Grain
Weight: About 20.7g/pc (700 spine),
                        19.4g/pc (800 spine),
                        17.5g/pc (900 spine),
                        16.9g/pc (1000 spine)
ID: 4.2mm
OD: 5.61mm(700 spine),GPI 6.4
       5.52mm(800 spine),GPI 6
       5.41mm(900 spine),GPI 5.5
       5.32mm(1000 spine),GPI 4.97
Package Size: 83.5*8.5*6cm
Quantity: 12pcs
Features:
1. Made of pure carbon. High strength, perfect for hunting.
2. Spine 700/800/900/1000 , a variety of options.
3. With Explosion-Proof ring;
4. Pin nock(Adjustable direction).Easy replacement of arrow nock
5. 2 inch turkey feathers. 
6. Suitable for all kinds of recurve bow and compound bows.
Note: Due to shooting angle and light. There will be errors in color.
The above parameters are all measured manually, there will be errors. The actual item shall prevail.