KS Tools 150.0976 4.0mm Input Socket to 3.5mm Test Adapter Plug Round (Black)

KS Tools 150.0974 4.0mm Input Socket to 1.5mm Test Adapter Plug Round (Black)

KS Tools 150.0977 4.0 mm Input Socket to Test Adapter Plug Round (Blue)

KS Tools 150.0955 4.0mm Input Socket to 3.5mm Test Adapter Round (Black)

KS Tools 150.0969 4.0mm Input Socket to 2.5mm Test Adapter Plug Flat (Blue)