Oster Universal Comb Attachment Blade Guard guide comb Size2 -size 1/4" # 76926-616
Leaves hair 1/4”- 6.3mm. Attaches to blade to cut hair to a specific uniform length. Should be used with #40 or #50 blades to assure accurate cut length but fits all sizes of A5, PowerMax and Power Pro clipper blades. Replaces SKU # 926-21.