【Product Info】Contains: 2 x Replacement Screws + 1 x Allen Wrench, equipped with double screws, once the original screw is lost or damaged, it will be replaced immediately, ensuring a seamless and efficient workflow【Compatibility】The multi-tool screw set is compatible with RW9157 models and is suitable for RK5100K to RK5108K, RK5112K and RK2514K2 series.【Easy to Install】The RW9157 Replacement Screw and Allen key use to apply blades and tighten for proper functioninstall with easy convenience.【High Quality】 The screws inside the kit are crafted from high-quality metal with a black anti-corrosion coating to ensure long-lasting use.【After-Sales】If You Have Any Questions About The Product, Or Have Any Questions After Receiving The Product, Please Be Sure To Contact Us First! We Will Try Our Best To Solve The Problem For You!