Add Wish List Choose Options Easton Easton 4mm 8-32 Aluminum Half Out Easton’s 4mm Aluminum Half-Out Aluminum inserts enable the use of common 8-32 thread broadheads in 4mm Full Metal Jacket and 4mm Carbon Injexion shafts. Precision machined from aluminum, this... MSRP: $36.99 Was: Now: $18.99 Choose Options