GEARWRENCH Tap & Die Set: #4-40 to 1/2-20 Taps, #4-40 to 1/2-20 Dies, BSP, Metric Coarse, Metric Fine, NPT, UNC & UNF 3887 SKU: DBI62070974

SPI Feeler Stock Roll: 0.011″ Thick, 1/2″ Wide, 25′ Long, High Carbon Steel 91-428-3 SKU: DBI85669471

DORMER PRAMET Jobber Drill: #78, 118 deg Point, High Speed Steel 5966758 SKU: DBI02429009

SPI Feeler Gage: 0.035″ Thick, 0.5″ Wide, 12″ Long 91-388-9 SKU: DBI85668812