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Model  : S3811A
Hãng sản xuất : Starrett
* Accuracy : +/- 0.5% (referred to L =800). 
* Repeatability accuracy : +/- 4L units L= Leeb. 
* Measuring range : 200 - 960 HL  For steel and cast steel , alloy tool steel , stainless steel , gray cast iron , spheroidal iron, cast aluminium , brass , bronze, woght copper alloy.  
* Dimensions : 150 x 74 x 32mm ( 5.96" x 2.938" x 1.270" ) 
* Weight : 245gms. - See