Replacement Right and Left Posterior Iliac Crest Inserts - 5 Sets by LifeForm $0.00 sb52383 Replacement Right and Left Posterior Iliac Crest Inserts - 5 Sets / SB52383 / Cart Title Replacement Right and Left Posterior Iliac Crest Inserts - 5 Sets Product ID SB52383 CheckoutType Cart Add to cart For use with Bonnie Bone Marrow Biopsy™ Skills Trainer (SB52380U).