Features: OOTDTY Single bubble High high quality PMMA Scratch unfastened High optical readability material Precision machined inner radius Black lines, internally fitted presents minimum parallax mistakes These level vials are for IDEAL for including to all stationary package that can be leveled, resembling stoves, refrigerators, washing machines, milling equipment, refrigeration equipment, warmth pumps, furnaces, air handlers, campers and any tool, gadget or object where point is crucial Add one to many of your hand tools to understand if you are operating at level These point vials are tougher than maximum OEM level vials built into hand tools, they are made thicker and for Specifications: Material: PMMA Liquid Color: Green/Blue Color of Division Line: Black Size: 10x10x29mm/0" Quantity: 5 Pcs/1 Set Note: Please enable 1-3mm error because of guide dimension pls ensure you do not mind before you bid Due to the variation between assorted monitors, the image might not replicate the particular color of the thing Thank you! No Retail Package Package Contents: 5 x Bubble Spirit Level