The Wahl Premium Cutting Guides (1.5-4.0 mm) come in a range of sizes based on the style and results you're after. With metal clips for blade security and ballpoint tips for smooth and easy cutting. Guides seamlessly glide through hair for smoother cutting without irritation or discomfort. Fits all Wahl professional vibrator clippers. (Model #'s: 53108 (1.5mm, #1/2), 53107 (3.0mm, # 1), 53109 (4.5mm, #1 1/2)) Range of guides Smooth cutting Who is it for? Those looking for premium cutting guides What does it do? Provides smooth, easy cuts