Pentel sharp mechanical pencil, refillable, 0.7mm, blue mechanical pencil features a 4mm fixed tip design for template work and technical drawings. Mechanical pencil offers a concealed eraser and top lead advance. Refillable with pentel super hi-polymer lead and z21 refill eraser. Eraser/self-advancing lead/mesh grip. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.