The Serfas FP-200 Floor Pump has it all to make it easy to inflate your tires, a nice stable alloy base and ergonomic handle. Also includes top mounted large gauge and equipped with ball and accessory attachments, so when you go to air up your tires after putting on your Serfas Cycling Shoes, you won't have to worry about slippage. The Simple Valve automatically switches to Presta or Shrader without having to remove any hardware from the head, change any parts internally, or figure out which head to use. Just put it on and go. Equipped with ball and accessory attachments.