Mechanical pencils are ready to use right out of the box No. 2 lead provides smooth, clear writing Sparkling barrels in bright assorted colors stand out on your desk 0.7mm medium lead with a bonded break-resistant quality Includes four mechanical pencils per pack These mechanical pencils are refillable and easy to use Built-in erasers allow you to correct mistakes and make changes anytime The retractable mechanism allows you to use lead when you need it and keep it from breaking when you don't Convenient pocket or notebook clip Includes Hi-Polymer Jumbo eraser and Hi-Polymer lead refills