Unlock Master Lock padlocks like a pro with the M4/MS4R/81KM Lishi 2-in-1 tool. This anti-glare (AG) pick and decoder simplifies tough jobs, offering pinpoint accuracy with 5 cuts and 8 depths (0-7). Equipped with a single lifter, the M4/MS4R (SKU: M4/MS4R) is a must-have for locksmiths seeking speed and reliability on Master padlocks. Transform your toolkit with this sleek, high-efficiency Lishi design built for seamless performance!