Strike Industries Seraph Ambidextrous CZ Scorpion Rifle Safety Black. It's an oversized selector switch made of durable and lightweight polymer that is aesthetic and very ergonomic. These extended ambidexterous controls have grooved textures for the shooting hand's index finger to perfectly fit into the winged design making for easy selector switch control. The Seraph Selector is a drop-in install utilizes factory hardware (the rod connecting left and right switches) and is retained by a set screw on each side. Unlike the OEM and many other aftermarket designs the Seraph Selector Switch does not poke the shooting hand aiding in comfort and ridding users of that small inconvenience. Specifications for Strike Industries Seraph Ambidextrous CZ Scorpion Rifle Safety: Manufacturer: Strike Industries Color: Black Gun Make: CZ Gun Type: Rifle Gun Model: CZ Scorpion EVO 3 S2 CZ Scorpion EVO 3 S1 CZ Scorpion 3+ Fabric/Material: Polymer Hand: Ambidextrous Height: 0.65 in Width: 0.94 in Length: 1.35 in Weight: 0.12 oz Features of Strike Industries Seraph Ambidextrous CZ Scorpion Rifle Safety Extended ambi controls Wing and grooved design for index finger Dropin installation Utilizes factory hardware Made of durable and lightweight polymer "No poke" design Package Contents: Strike Industries Seraph Ambidextrous CZ Scorpion Rifle Safety 1x CZ EVO Seraph selector switch-L 1x CZ EVO Seraph selector switch-R 1x M1.5 L-wrench 2x M3 X 12 set screw(precoated) 1x Loctite 243 What firearm models does the manufacturer say Strike Industries Seraph Ambidextrous CZ Scorpion Rifle Safety is compatible with? The manufacturer says that Strike Industries Seraph Ambidextrous CZ Scorpion Rifle Safety is compatible with CZ Scorpion 3+ CZ Scorpion EVO 3 S1 CZ Scorpion EVO 3 S2Strike Industries SI-CEVO-S-SS-BK: Seraph Ambidextrous CZ Scorpion Rifle Safety Black