28pc Center Transfer Punches Set Machinists Tool Punch Stand Heat Treated Steel 3/32" to 1/2" punches (by 64ths) Handy 17/32" punch Eliminates the guesswork when transferring threaded, drilled, or reamed holes. Hi-vis index stand included for easy storage Made from heat treated tempered steel with industrial black oxide finish. Great for tool makers and machinists.