Manufactured using heavy-duty kimoplastic, this 4” x 12” Jogger Block will last for years if not forever even under the toughest conditions. Use this to safely align pages and paper stock for square, precise cuts. With a perfect 90 degree angle and a strong magnetic base, paper stock will be aligned completely from top to bottom. To make things even easier, this product comes with a rounded handle designed to accommodate a natural grip in order to reduce operator fatigue. The Jogger Block comes full assembled and ready to make your paper cutting jobs simpler and more efficient.