Check the listing for details. 10x replacement rubber erasers for mechanical pencils, 7mm diameter. Listed at 6.00 USD. Ten(10) Rubber Erasers, 7mm Diameter Surplus from the Garland Pen Company, but suitable for any mechanical pencil using 7mm erasers (about .275 inch). Each is about 11.25mm long. You are welcome to contact us about discounts for larger quantities -- we have a lot of these! Payment We are glad to combine shipping charges on multiple purchases, but it is vital that the proper checkout method be used. When buying more than one item, use the Add to Cart button -- NOT the Buy It Now button. View your cart when you are ready to complete the purchase, and if the total shipping charge is incorrect, do NOT pay. Instead, click the Request Total link at the top right and we will send you a corrected invoice. Terms of Sale We strongly believe in full and explicit description of any condition problems or flaws, and in very conservative grading. We stand behind our descriptions -- buy with confidence. About Us vintagepens is run by David Nishimura (Vintage Pens LLC) based in historic Providence, Rhode Island.David has been buying, selling, and writing about old writing instruments since the late 1980s. He has been on eBay since 1997, the same year he launched one of the first vintage pen collecting websites. David is an active pen history blogger, and a regular presence on pen collecting forums and social media, as well as at traditional pen shows.Ten(10) Rubber Erasers, 7mm Diameter Surplus from the Garland Pen Company, but suitable for any mechanical pencil using 7mm erasers (about .275 inch). Each is about 11.25mm long. You are welcome to contact us about discounts for larger quantities -- we have a lot of these! Payment We are glad to combine shipping charges on multiple purchases, but it is vital that the proper checkout method be used. When buying more than one item, use the Add to Cart button -- NOT the Buy It Now button. View your cart when you are ready to complete the purchase, and if the total shipping charge is incorrect, do NOT pay. Instead, click the Request Total link at the top right and we will send you a corrected invoice. Terms of Sale We strongly believe in full and explicit description of any condition problems or flaws, and in very conservative grading. We stand behind our descriptions -- buy with confidence. About Us vintagepens is run by David Nishimura (Vintage Pens LLC) based in historic Providence, Rhode Island.David has been buying, selling, and writing about old writing instruments since the late 1980s. He has been on eBay since 1997, the same year he launched one of the first vintage pen collecting websites. David is an active pen history blogger, and a regular presence on pen collecting forums and social media, as well as at traditional pen shows.