Pentel Twist-Erase Express Mechanical Pencil .5mm Product Code: Pentel Twist-Erase Express Mechanical Pencil .5mm $2.49 Buy 12 and SAVE 20%! Use code CHEAPER12 at checkout. AS - Color : Black Blue Green Quantity -+ Eligible for 2.49 points with The Duck Store Rewards. Learn more Add to Cart Details0.5mm lead produces fine lines of consistent densityTwist barrel to advance and retract eraser; press down on pencil top to advance leadMix & Match! Add 12 or more of this or other qualifying items and use Promo Code CHEAPER12 to receive 20% off qualifying Cheaper by the Dozen items!