JKQ Characteristics:The series product can lock at any position during therunning. There is ejection rod in the end of the piston, and the inside valvewill be turn on to flow the gas or oil when push the ejection rod, and thelockabled gas spring can stretch easily as Compressed Gas Spring. When it movesto required position, the inside valve is be shut off after the ejection rodrelease, and the piston will be locked accordingly. The gas spring after lockedcan bear large load, but if it is overloaded, the lock function will notwork.