Combined & Fluted Handle Screwdriver Set Seven 'volt-tested' screwdrivers plus five non-insulated engineers' and electricians' screwdrivers. Supplied in clear plastic wallet. 12-Piece Set Contents (mm): Non-Insulated Flared: 6.3 stubby. Parallel: 4.8 x 75, 4.8 x 150 and 4.8 x 250. Volt-Tested Parallel: 2.5 x 85, 4.0 x 100, 5.5 x 125 and 6.5 x 150. Crosspoint: No.2 x 1/4" slotted offset. No.0 x 75, No.1 x 100, No.2 x 100.