Blackwing pencils are crafted using the best materials in the world, genuine incense-cedar and premium Japanese graphite. The Blackwing pencil sharpener was designed for Blackwing pencils. Blackwing pencils were introduced in the 1930s and became the high-quality pencil of choice for Oscar, Grammy and Pulitzer Prize winners throughout the 20th century. Their pencil products are coveted by artists for drawing endeavors. Stainless steel blades. Imported. 1/4"W x 1"D x 3"L.