説明
Overview：
Rock climbing rescue D type automatic steel lock outdoor load-bearing rock climbing main lock D type automatic main lock
Specification：
Product category: master lock
Specification: 70 * 115 mm
Product name :D type automatic steel lock
Material: 40Cr fine steel
Color: Silver
Breaking tension: 40kN
Net weight: 208g
Scope of application: mountaineering and rock climbing, expansion, hole exploration, rescue, aerial work, hoisting speed drop, etc.
