The Paper Mate PhD line was specifically designed to reduce finger fatigue, and is endorsed by the American Physical Therapy Association. The mechanical pencil tip has shock-absorbing ability to reduce lead breakage, and the pencil features a twist-up eraser for correcting. It has an ergonomic triangular grip that is made of soft, cushioned rubber and is meant for comfort while writing.
Pencil dimensions: Approximately 5.6 inches (14.2 cm) long and 0.6 inches (15.5 mm) in diameter at widest point.
Model Number SANFORD 67004
Manufacturer Paper Mate
Body Color Black
Body Material Plastic
Clip Material Metal
Clippable Yes
Design Style Ergonomic
Diameter – Grip 11.8 mm
Diameter – Max 15.3 mm
Eraser Attached Yes
Eraser Type Twist-Up
Grip Color Black
Grip Material Rubber
Knurled Grip No
Lead Grade Indicator No
Lead Size – Diameter 0.7 mm
Lead Sleeve Length 2.2 mm
Sleeve Type Sliding
Tip Material Metal
Tip Replaceable No