The unique blade attachment on the 3MSurgical Clipper with Pivoting Head 9661 accepts either the pivoting (9660) or specialty (9690) clipper blade assembly, and provides maximum blade contact with the skin at all times. And the blade design easily accommodates either flat or angled clipping styles. The 9661 with the 9660 blade state-of-the-art features make it a top choice for Pre-op, Neuro, Cardiac, Labor and Delivery and EMS prep teams. Removes hair for neuro and neuro trauma procedures. Removes head and heavy body hair. Reduces risk of cross-contamination with single-use blades. Blade easily snaps-on and pops-off.