Anterior Cervical Interbody Fusion (ACIF) Features & Benefits The comprehensive and versatile Tyber Medical ACIF Interbody Spacer was designed for ease of use. The spacer offers the following features and benefits: Optional TyPEEK™ Titanium Plasma Spray Anatomical Endplate Contact Large Graft Window PEEK-Optima™ Core Simple Instrumentation Non-sterile and Sterile Packaging Options Curved and Straight Endplates Parallel and Lordotic Angles (0 to 8°) Multiple Diameters (Ø14 – Ø16) Multiple Heights (5 – 12mm)