Features: Captive Fastener with two installation systems , In case there are several Captive Fasteners, you can release them one after the other without them dropping out , Tool-less installation .
Housing: zinc die, chrome plated or black
Spring: stainless steel
Insert: Alu, eloxiert
Spring: Leaf spring , stainless steel
U-shaped spring: spring steel
Snap wedges: sintered steel
Attention: The insert supplied with the black housing is steel, zinc plated