CHECKPOINT 0300PL Pro Mag Precision Torpedo Level, Platinum None Imported 8-1/2 inch long CNC-machined 6061 aluminum alloy body 4-vial system reads 90, 45, 30 plus oversized 0 with oversized view ports for easy reading from all sides Exclusive V-Groove System allows Ultra Mag G3 to straddle any pipe up to 10 Inch in diameter with 4 rare earth neodymium magnets Built-in auto 45-degree angle for quick referencing and perfect alignment