Comfortable to use Geometrically contoured, wide double-layer grip and balanced gripping axis reduce writing stress and alleviate hand fatigue Commended for Ease-Of-Use by the Arthritis Foundation. Tough 0.7mm lead resists breakage. Ink is refillable. Pilot Pencils part of a large selection of office supplies. Pilot(R) Dr. Grip Center of Gravity Mechanical Pencils, Charcoal Grip is one of many Mechanical Pencils available through Office Depot. Made by Pilot.