When it comes to trimming soft sheet goods, cove base toe, direct glue down and inflexible carpets flush with the wall, consider the Goof Proof Wall Trimmer by ProKnee Corporation for one of your must-have efficiency tools. Even the greenest installer will go from beginner to professional cuts in under 60 seconds. ProKnee Corp. re-introduced the Goof Proof Wall Trimmer with some shiny new patent pending features such as super strong molded plastic frame components, threaded steel inserts & hardware and an automatic blade adjustment stop. Additionally, this versatile little tool uses standard slotted blades and was ergonomically designed to be used with the right or left hand.