The 4 Pack Peanut/Mag 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 four pack of Peanut/Mag 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. The Peanut/Mag Guide comes in a pack of 4 different lengths ranging from 1/8" to 1/2". Fits Wahl: Beret, Classic Peanut, Hot Pink Peanut, Peanut, Black Peanut and Cordless Peanut. Sterling: Mag.