All composition of sets, grades, steel & tungsten blocks supplied. sometimes called Slips, are reference standards calibrated in a UKAS Laboratory. Supplied in sets of various compositions to wring together making any actual size length achievable.

The Grades explained. Grade 2: For general workshop use. Grade 1: For use in the Inspection area and calibrating basic measuring instruments. Grade 0: For calibrating Metrology equipment in a Calibration environment.

We hold stock, sets are progressed through UKAS Lab to order takes up 10 days.. You will find cheaper sets, due to our bad experiences with these we do not sell them.

We currently have a M32 grade 1 and M112 grade 2 with certs done for next day delivery, select set and from drop down box select next day set

Price includes UKAS Certificate.