A pocket clip and a glass breaker made of tungsten steel make the LD series knives extremely portable and extremely practical for emergencies. Its 85 mm long main blade made of Sandvick 12C27 stainless steel can be opened quickly with one hand by simply pushing the thumb stud forwards. The LD series is also available in a wide range of versatile tool combinations to best suit your needs. Sandvick 12C27 blade material. In addition to excellent corrosion resistance, the steel gives the blades extra strength so the blades stay sharp longer. Ruike knife handles are made of a mixture of fibreglass and resin, which allows the knives to withstand strong forces and prevents scratches and general abrasion. Crushing cone made of tungsten steel. For added performance, RUIKE multifunction knives are equipped with a tungsten steel breaking cone that allows the user to break glass and other hard materials they may encounter.