Ferrite
Pearlite
Austenite
Cementite
Flat saddle key
Taper sunk key
Woodruft key
Tangential key
Check hole diameter
Check shaft diameter
Check tapered shaft diameter
Check internal thread diameter
Ring gauge
Snap gauge
Thread Plug gauge
Centre gauge
Built with grade accuracy
Minimum number of blocks
Maximum number of block
Start wringing with small size slip gauge