G5 Outdoors Mark Arrow Bare Shafts. Their proprietary 3-layer construction delivers the ultimate accuracy and durability with a 3K woven carbon outer layer 2 mid layers of unidirectional carbon at 0 degrees and a base layer of 2 layers of unidirectional carbon at 90 degrees. Every arrow is produced spin tested at .001 straightness and coated with G5's SILK coating for better penetration and easier arrow removal. Specifications for G5 Outdoors Mark Arrow Bare Shafts: Manufacturer: G5 Outdoors Length: 33 Additional Features: No Width: 3.5 in Weight: 0.5 oz Height: 1 in Package Contents: G5 Outdoors Mark Arrow Bare Shafts