Mobius & Ruppert's tradition and dedication to pencils dates back to 1908. Made in Germany, their brass pencil sharpeners feature unbreakable, heavy duty construction and elegant styling! These unbreakable sharpeners, available both as single and double hole versions, are suited for pencils up to 11mm in size. Their revolutionary lead sharpener can sharpen drawing leads for fine art lead holders of both 2mm and 3.2mm thicknesses. All brass sharpeners come complete with specially hardened M+R quality blades, that deliver clean, precise sharpening with perfect points! Perfect for the studio, pockets, purses, or pencil cases.