ZHEJIANG ECONNS INDUSTRY CO., LIMITED make: spirit level,aluminum level,laser level, Folding Ruler,safety helmet and goggle ZHEJIANG ECONNS INDUSTRY CO., LIMITED make: spirit level,aluminum level,laser level,Folding Ruler,,safety helmet and gogglesDimensions:Diameter: variable,Please check the First Number.Length: variable, Please check the Second Number.For example: CS-SLYZ9540 (9.5×40MM) means ...