October Mountain Parabolic Points 5/16 in. 85 gr. 100 pk. Black 5/16 in.. Precision CNC manufactufor consistently accurate shooting. Features a black oxide finish. 12 pk. Specifications for October Mountain Parabolic Points: Manufacturer: October Mountain Color: Black Archery Application: Hiking Package Contents: October Mountain Parabolic Points October Mountain 81143: Parabolic Points 5/16 in. 85 gr. 100 pk. Black 5/16 in.