They use an internal brush system electrical connection within the cable reel which allows the cable to be retracted while still connected to a device

1" 18 Socket Accessories:

Fixed blade design provides maximum durability for tool and blades during drops

and commercial flat tyre repairs with ease

1800 x 30mm Pinch Bar - Hexagon 5PB180030 By Mumme Pizzi Glue Feeder Nozzle Accessory They use an internal brush1800 x 30mm Pinch Bar Hexagon 5PB180030 By Mumme Features: Used for levering and moving objects into place with a lift and swivel motion Forged from tough carbon manganese steel. Heel offset to 40 for optimum lifting Hexagon bar profile provides greater control Heat treated blade ends for maximum toughness Download Brochure Here