Philips Norelco Super Lift & Cut Shaving Heads, Package of 3 HQ56 - Online Only. The Philips Norelco HQ56 Super Lift & Cut Shaving Heads comes in a package of 3. Every year your blades travel the height of Mt. Everest... 49 times! After such a workout, even the best materials can lose their edge. Retain your razor's peak performance and replace heads every 12 months. The HG56 fits Norelco models 6613X, 6843XL, 6853XL, 6863XL, 6940LC, 31DB, 40DB and 6423LC.