The bosch biturbo range of tools will work with any bosch professional 18v lithium ion batteries, but they are especially optimised for procore batteries in the 8.0 to 12.0ah range'. '.strtoupper('t')hese high capacity batteries unlock a huge performance boost in biturbo tools, enabling them to compete with corded tools of up to 1,800 watts'. '.strtoupper('t')he gks 18v 98 c is a 190mm circular saw which can cut to a depth of up to 70mm at 90deg and its energy efficient brushless motor is protected by an electronic motor protection system which helps to safeguard against the damaging effects of overload to prolong the lifetime of the tool, while a newly designed ergonomic auxiliary handle, rapid action brake and dust extraction port help to ensure the saw can be used with maximum comfort, safety and control throughout the working day'. '.strtoupper('t')he gks 18v 68 c is connection ready, meaning that additional functions can be accessed via a smartphone or tablet when the tool is fitted with a bluetooth module not included'. '.strtoupper('s')pecifications bull battery voltage 18v bull battery type bosch professional lithium ion optimised for procore bull saw blade diameter 190mm bull saw blade bore diameter 30mm bull no load speed 5,000 rpm bull weight excluding battery 4kg features and benefits bull part of the bosch biturbo brushless range bull equivalent to a 1800 watt corded machine when used with a procore 8ah or 12ah battery bull energy efficient brushless motor for longer runtimes bull electronic motor protection safeguards against overload bull newly designed auxiliary handle for improved ergonomics and control bull connection ready bull best cut capacity in class 70mm at 90deg contents bull gks 18v 98 c 18v cordless circular saw bare tool bull carry case bull no battery bull no charger