The original Delphin carpet fitters knife. A professional tool for use on carpets and vinyl. The knife is supplied with a holster to clip on to belts or pockets.This is the world's most popular carpet fitters knife and features the following details - easy opening, no screwdriver needed, great ergonomic shape with a very positive and comfortable grip. The knife also features an internal magnet to prevent the blade from falling out and a separate holder within the tool for storing up to 10 blades. The knife is manufactured with a reinforced, ultra strong hinge.