... box pack20038*37*37993030cm triangel scale ruler(1:20)20038*37*37923030cm triangel scale ruler(1:10)20038*37 ... *37943030cm triangel scale ruler(1:1000)20038*37 ... *37693030cm triangel scale ruler(INCH)20038*37*37891515cm triangel scale ruler(1:100)24034.5* ... 4000,1:5000, 1:6000.usd0.65PCS6.BD4930 ,Bi-scale 1:10;100, 1:15:150,1:20:200, ...