Leofoto KeyMod Plates - Arca Black. Specifications for Leofoto GSK-140 KeyMod Plates - Arca: Manufacturer: Leofoto Color: Black Fabric/Material: Aluminum Length: 5.51 in Quantity: 1 Accessory Attachment System: Arca Swiss Features of Leofoto GSK-140 KeyMod Plates - Arca Made to fit KeyMod mounting surfaces Ultra-slim and radiused surface to allows a ''round'' handguard feeling from an Octagonal profile. Package Contents: Leofoto GSK-140 KeyMod Plates - Arca Leofoto GSK-140: GSK-140 KeyMod Plates - Arca Black