1.Perfect match any dart with 2.30-2.33mm diameter drilling hole.
2.Avoid the dart points/tips broken on beginning of insert,easily for removing the broken points from the barrels .
3.Designed plastic cover help to save flights from damaged by grooved/knurled steel point.
4.Smooth transition improve the darts deflection or bouncing out when hit previous dart flights.
5.Offer enhanced grip on the dart point different from full steel point.