The 4 Pack Clipper Cutting Guides are intended for professional use only and are designed to deliver the sharp performance that experts demand. For different angles and fades, you need different lengths. Achieve the change simply with this 4 pack of Clipper Cutting Guides. Conveniently change from 1/8" length to 1/2" with one release. The other guide will snap right into place for a secure fit that you can trust in your salon. Fits all Wahl Professional clipper blades excluding the Competition Series and 5-in-1 Magic Blade.