Universal® Letter Slitter Hand Letter Opener w/Concealed Blade, 2 1/2", White, 3/Pack by Janitorial Superstore JSS PRICE: Sale $5.95 JSS Product Code: 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to Cart ${{amount}} Item: UNV31803 Concealed blade. Easy to use. Portable. Accepted Envelope Size: All Sizes Blade Type: Concealed Envelope Stack Capacity: Manual Per Hour Capacity: Manual Usage: Small Jobs