Replacement blades ensure that your utility knives are always ready to use when you need them. On Time Supplies offers quality replacement cutter, trimmer, utility knife and scraper blades from X-ACTO, CARL and more, including heavy duty and double edge blades. We also office bulk pricing, so you ca stock up on the replacement blades you need economically. Thanks to fast shipping from On Time Supplies, your replacement blades arrive in as little as a day. If you need more information on the replacement blades and janitorial and office supplies featured at On Time Supplies, or on GSA pricing, call us toll free at 1-866-501-6055. We're happy to answer any supply questions.