Model EV-S114 spirit level is a "I" shape aluminium alloy profile with two pieces plastic.This type of spirit level is based on the following features: 1)There are three vials in the levels one horizontal and one vertical and one 45degree. 2)The thickness of "I" shape aluminium alloy profile is 0.8mm or 1.0mm. 3)In the bottom of the spirit levels it can have the magnetic or without magnetic for you to select. 4)The accuracy is 0.5mm/m in normal. 5)Color:red. 6)Specifications:16"(400mm),18"(450mm),24"(600mm),32"(800mm),40"(1000mm)48"(1200mm). 7)It can print your own logo or make a sticker than stick on the spirit levels. 8)Packing:each piece OPP bag shrinking then packed in the export cartons. If you need more details and about this type of spirit level pls do not hesitat to contact us.