Hi, Thanks I found it on http://playerstage.sourceforge.net/doc/Player-2.0.0/player/group__interface__gripper.html#gb7487dae409a9df347f091b06a545e46 regards -- View this message in context: http://ros-users.122217.n3.nabble.com/Poineer-Gipper-tp1780092p1793404.html Sent from the ROS-Users mailing list archive at Nabble.com.