30cm plastic triangular scale ruler EN71&ASTM standard moq.; 1000pcs 30cm plastic triangular scale ruler Material:plasticScale:30cm(12inches)scale range: 1:100 ;1 :200 ; 1:250 ;1:300 ;1:400 ;1:500color groove design, with black scalepacked in a opp bag,200 pcs/ctn,ctn size:38x37x37cm,,g.w:15kg