MUL-T-Lock pick tool (L) Product features: 1.This tool utilized a precision pin locating method.The needle nose is locked in each of the chambers.Operator can concentrate on picking each of the pins then wasting time in aiming at the bottom of the pins . 2.Other MUL-T-Lock tools have a problem with pick trapped by the pins inside a plug.Our 3rd Generation MUL-T-Lock opening tool will travel freely inside the plug without trap by the pins. 3.This tool gives you positive signal on each of the pins when they are moving.You almost can tell the pin lingth when picking. 4.Like every other tools,you have to practice to gain experience.Within an hour or two of practice,you can open locks freely.