StickShooter Carp arrows featuring 5/16"(8mm)solid fibreglass shaft fitted with a Safety slide to keep the string in front of the bow riser & when shot slides down to the stopper near the nock to aid in perfect arrow flight. The Head has a carbide tip for maximum penetration, it has with a lot of meat on the back side to stop the retainer from wearing away at the back of the tip giving long service life. To remove your fish from the arrow simply back off the tip one turn flip over the Stainless steel retainer & your ready to go again. Nock & safety slide are fluro green so are easy to see under the water.