The Stanley 0-42-294 Torpedo Level features 3 tubular vials The Stanley 0-42-294 Torpedo Level has 3 tubular vials: 1 level, 1 plumb and a 45° vial. With a lightweight injection moulded ABS body for strength and durability on the worksite Features: This torpedo level has 3 tubular vials: 1 level, 1 plumb and a 45° vial Lightweight injection moulded ABS body for strength and durability on the worksite Specification: Number of vials: 3 Length: 20cm / 200mm