Keeping your makeup pencils nice and sharp is the key to precision application. Charlotte Tilbury's 'Double Cube' sharpener has two different sized holes that fits both lip and eye products. - Designed for use with: Colour Chameleon, Lip Cheat, Rock 'N' Kohl, The Classic -Instructions for use: - Use wider sharpener for Colour Chameleon products - Use smaller sharpener for Lip Cheat, Rock 'N' Kohl and The Classic products