S-TRIXX X Driver Shaft 50X with PING Sleeve 45.5 inches when installed on a head Thank you for viewing. This is a 50X PING sleeve for the S-TRIXX X (EstriX X), a phantom shaft that is no longer in production. It has been Hadras coated. The shaft itself is in very clean condition, but please understand that it is a used item. The grip is somewhat worn, so please replace it with your preferred grip.