Oster Attachment Combs Guide for Oster Fast Feed clippers and models 023 clipper 830 clipper 946 clipper and 956 clipper. Include 8 pcs Combs #0 – 1/16″ – (1.5mm) #1 – 1/8″ – (3mm) #2 – 1/4″ – (6mm) #3 – 3/8″ – (9.5mm) #4 – 1/2″ – (13mm) #6 – 3/4″ – (19mm) #7 – 7/8″ – (22mm) #8 – 1″ – (25mm)