The Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 1 carbon stems is what is visible when the dart is fully assembled. Shaft length: 13mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 2 carbon stems is what is visible when the dart is fully assembled. Shaft length: 18mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 3 carbon stems is what is visible when the dart is fully assembled. Shaft length: 24mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 4 carbon stems is what is visible when the dart is fully assembled. Shaft length: 28mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 5 carbon stems is what is visible when the dart is fully assembled. Shaft length: 31mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 6 carbon stems is what is visible when the dart is fully assembled. Shaft length: 35mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 7 carbon stems is what is visible when the dart is fully assembled. Shaft length: 38mmThe Cosmo Fit Shaft Carbon are made from a lightweight and durable carbon material. These black locked carbon stems have a flat top to keep the flight locked in place and the slim stem profile is concave in the centre, widening where it meets the flight. The given length of these size 8 carbon stems is what is visible when the dart is fully assembled. Shaft length: 42mm