The new OLFA SK-10 concealed-blade safety knife with tape slitter is designed to reduce workplace bodily and product injuries. Smartly engineered, the cutter features a unique blade adjustment design that, the company says, allows for four times more cuts per blade versus a fixed, single-edge blade for higher blade productivity. OLFA, www.olfa.com, (800) 962-OLFA (6532). Circle 238safety knife