The Teter Mek Hex HB lead pencils are high-quality pencils with a pre-sharpened, hexagonal barrel that is perfect for writing, drafting and drawing. It is manufactured with a high-tech bonding process to prevent breakage. They come in a box of 20 pencils and are ideal for use at school or in the office.pWhen you purchase this or any Teter Mek-branded product, a percentage goes towards the Teter Mek Foundation which provides teaching resources and products to help students discover the rich and diverse culture of our Indigenous communities.