1.800" long small bore spring set. Rating of each spring is marked on the end of the spring. Comes with 1pr each of 4lb, 5lb, 6lb, 7lb, 8lb, 9lb, 10lb, 12lb. Springs are marked on the end of each spring. Springs are ground flat on each end to sit flatter and provide a more consistent feel. Not having a color coating on them makes them more consistent from spring to spring and batch to batch, also providing a more consistent rate.