Slash Arrows Slash Express 300 Arrow Set 29 in Black Pack of 3. These micro diameter 300 spine arrows feature the Slash INsetBlade outsert. The Express EXP is offered with a 3-blade 7/8" cut broadhead followed by 2 INsetBlades with a 2 1/8" cut. This arrow provides excellent shootability for all bows and an all-around game arrow. ID .204 OD .255 GPI 11.1 Spine 300. Fletched with Blazer vanes. Package Contents: Slash Arrows Slash Express 300 Arrow Set Slash Express Arrows are the best solution for hunters who want great shootability and accuracy. These micro diameter 300 spine arrows feature the Slash INsetBlade outsert. The Express EXP is offered with a 3-blade 7/8 cut broadhead followed by 2 INsetBlades with a 2 1/8 cut. This arrow provides excellent shootability for all bows and an all-around game arrow. ID .204 OD .255 GPI 11.1 Spine 300. Fletched with Blazer vanes.