ILF compatibility means these limbs can be used with a wide variety of risers. A Graphene Foam Core translates to a faster response and a lighter weight when compared to a wood core. 

Specifications:

• Length: Short/Medium/Long
• ILF compatibility: Yes
• Construction: Graphene Foam Core / High Modulus Carbon
• Draw Weight: Short: 18-42 lbs, Medium: 18-42 lbs, Long: 18-42 lbs (in 2 lb increments)
• Length (with 25" riser): Short: 66", Medium: 68", Long: 70"