产品描述：
Speed Ratches
SR500
Ball type retainer, disc type reversing action, compact, lightweight design, ideal for automotive work.
Specifications:
13mm bolt capacity.
1/4?? NPT air inlet thread for 10mm air hose.
150rpm free speed.
90psi air pressure.
4CFM* air consumption,
50ft/lbs torque.
Front exhaust.
Overall length: 255mm.
*Based on a 15 second cycle per minute average use.
Kobe Air Ratchet Speed Wrench (1/2?? Square Drive)