Locking gun can be used to open most pin locks or double track locks Jumping head is adjustable Lock Opener Gun has a spring which could easily open pin tumbler and disc tumbler locks It comes complete with 4 open blades and 1 tension wrench The coating of gun consists of lacquer can resist stain and rustA convenient tool for you and it suits for both daily life usSpecifications: Material: SteelPackage included: 1 x Strong Lock Opener 1 x Tension Wrench 4 x Open Blades