Just like the original Block Scribe, but CNC machined from solid aluminium and anodised.
It's a tool for life, The Ultimate Block Scribe!  Accurate and will last a life time.  
 
With preset dimensions of 9,12,15,18,19 and 22mm to correspond with sheet material thicknesses.  Includes 1x HB Staedtler pencil. 
 
Block dimensions – 30mm x 31mm x 40mm H 
 
CNC's anodosed aluminum.