The Sigma range of darts has been designed from the outset with barrel, shaft and flight all mathematically matched to form an optimum aerodynamic unit, specified to give true flight and greater accuracy. Core Transfer Technology allows Ultracore to be ergonomically optimised with 16 different combinations of weight and balance to suit your particular grip position and throwing technique.
Using the principles of UniLab, the Sigma range of darts has been designed from the outset with barrel, shaft and flight all mathematically matched to form an optimum aerodynamic unit, specified to give true flight and greater accuracy.