Linear Tools 53-670-081 Imperial Workshop Grade Gauge Blocks Set 81 Piece

BS 4311:Part 1-2007.
BS Grade: WKS 2.
DIN Grade: 2.
US Grade: 3.
9 pcs (Range .1001″-.1009″, Step .0001″).
49 pcs (Range .101″-.149″, Step .001″).
19 pcs (Range .050″-.950″, Step .05″).
4 pcs (Range1″,2″,3″ & 4″, Step 1.0″).
Each block is heat treated to HRC65/HV820 for high resistance to wear. 
High quality surface finish. 
Each set is supplied with a 5 point UKAS Certificate of accuracy. 
Steel gauges must be cleaned after use to avoid corrosion. 
Supplied in high quality fitted wooden box.
Width: 217mm.
Height: 65mm.
Length: 313mm.
Image for illustration purpose.