This M-lok screw & nut is made of high quality material. It has fine workmanship, characterized by high strength and high hardness. Suitable for any M-lok slots, a great choice for you.Features:Made of high quality pure steel material, this product is sturdy and durable.High strength, high hardness, not easy to deform and break off.Suitable for any M-Lok Mlok slots.Comes with a spanner, easy installation and disassembly for you.Great M-Lok replacement screws and nuts for all users.Specification:Condition: 100% Brand NewItem Type: M-Lok Screw & NutMaterial: Pure SteelColor: BlackFitness: For Any M-Lok Mlok SlotsSize: Approx. 1cm / 0.4inchSpanner Size: Approx. 5 * 2cm / 2.0 * 0.8inchWeight: Approx. 29g / 1.0ozPacking List:10 * Screw & Nut1 * Spanner