12 Easton ST Carbon Excel Shafts. Smaller diameter for improved penetration. Black, micro-smooth finish. +/- .005" straightness and +/- 2.0 grains weight tolerance. H-nock installed and ST RPS inserts included. 300 (10.0 gr / inch), 340 (9.5 gr / inch), 400 (8.6 gr / inch) and 500 (7.5 gr / inch). Order Today! WARNING: You must be 18 or older to purchase Crossbows, Bolts and Broadheads. Crossbows, Bolts and Broadheads cannot be shipped to D.C.; MA; Canada or Puerto Rico. Please check your State, County and City laws for restrictions before ordering Crossbows, Bolts and Broadheads. 12-Pk. Easton ST Carbon Excel Shafts