This product is not designed with a fastener connector. You can press the backside shaft of top cover into the trestle of lower cap directly.
该产品为无紧固件连接设计,直接将上盖后部的转轴压入下盖转轴支架即可。
3
Shock eraser insert: thermoplastic rubber core inside a thermoplastic elastomer butt cap is pressure fit into the shaft to reduce frame shock and vibration.