Sturdy aluminium alloy construction. Each level features 3 vials set for both horizontal and vertical levelling. Supplied with a handy fabric carry case for easy transportation and storage. Contents: 3 x box levels (600, 1200 and 1800mm), 225mm torpedo level and carry pouch. Aluminium Box Section Frame Non-Magnetic Base 2 x 90° & 1 x 180° Vials Supplied in Handy Fabric Case 2 Year Guarantee Contents: 3 x box levels (600, 1200 and 1800mm), 225mm torpedo level and carry pouch. Aluminium Box Section Frame Non-Magnetic Base 2 x 90° & 1 x 180° Vials Supplied in Handy Fabric Case 2 Year Guarantee