Kaisi 2 in 1 Sim Card Cutter with Nano-Micro, Nano-Standard, Micro-Standard Sim Adapters for All Cell Phones, Black With makings solid, HQ stainless steel material High-grade black coating preferably extends the service life Exquisite technology and top quality is far more than similar products on the market Sintered alloy casting double cutter head makes it shear more neatly and can be used repeatedly Kaisi sim card cutter join more than 10 million DIY families, and offers a one-year warranty and an unconditional refund