TGK-7802 electronic screwdriver with 6mm bits 1,Input voltage: 28V/DC ... ,Bit size:6mm 3,No-load speed:800/900rpm TGK-7802 assembly line screwdriver, electronic screwdriver with 6mm bits 1, Use ... supply:TGK-75SD (2 sockets)tak-800D (2 sockets) TGK-7802 assembly line screwdriver, electronic screwdriver with 6mm bits