Phase 4 Sigma™ Pro 970
97% Tungsten

Features:
► 97% Tungsten Nickel Alloy
► Fitted with Sigma Pro side load shafts
► Sigma One rigid shafts
► 6 Sigma Pro compact delta flights
► 6 Sigma One enhanced delta flights
► Premium Sigma wallet

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. All Sigma darts are laser engraved with unique serial numbers and their precise weight.