Geissele Super Configurable Safety Selectors DDC. The levers are easily swappable and exchangeable with other Geissele levers to find the perfect fit look and comfort for your desired operation. The levers are held in place by an internal set screw making sure they remain securely attached during hard use and mitigating the possibility of misplacing or losing an attachment screw during cleaning or servicing of your carbine. The Geissele Super Configurable Safety is made from stainless steel that has been finished in black nitride chosen for its durability and anti-corrosion properties. Specifications for Geissele Super Configurable Safety Selectors: Manufacturer: Geissele Fabric/Material: Stainless Steel Hand: Ambidextrous Condition: New Package Contents: Geissele Super Configurable Safety Selectors Geissele 05-1870S: Super Configurable Safety Selectors DDC