QuickFix+ Professional Series Cordless Electric Eraser, Set Includes 40 Eraser Refills, Battery Operated - Black QuickFix+ Battery Powered Erasers smooth, sculpted ergonomic shape looks like more of a work of art than an amazingly useful tool for home, office and studio. Artistically remove large areas of graphite, charcoal and other media to form reverse images or add dimension and shape to round objects. Includes 2 replaceable collars for various unique looks and includes 40 refill erasers. One-button Operation - Simple push of the button and a light touch are all thats required to remove marks. Cordless, Compact and Lightweight - Offers precise control and ideal for drawing, drafting, architectural plans, arts and crafts, etc. Strong Erasing Capability - Circular movement and strong motor allow you to erase targeted areas effectively and precisely. A turbine of power produces a super rotating action, which allows the soft rubber eraser refill to erase quickly without tearing even the most gentle paper surfaces. Erase what you want without erasing what you dont want! Size: 4 3/8 x 1/3/4 (40) 5mm x 15mm refill erasers Included 3 interchangeable cap locks Batteries: Not Included - AAA Qty 2.