GrovTec US D-Loop Recessed Plunger Heavy Duty Push Button Swivel Set Black. Pull tested to 450 lbs of pressure rest assured your weapon is not going anywhere. Specifications for GrovTec US D-Loop Recessed Plunger Heavy Duty Push Button Swivel Set: Manufacturer: GrovTec US Color: Black Fabric/Material: Steel Gun Type: Rifle Gun Model: Universal Condition: New Features of GrovTec US D-Loop Recessed Plunger Heavy Duty Push Button Swivel Set Compatible with all Industry QD Swivel Mounts. Pull tested to 450 lbs. Low-profile flush Push Button design prevents unintentional release. Ideal attachment point for use with Magpul Paraclip HK or MASH Hooks. All stainless steel construction Non-Reflective Manganese Phosphate Finish Exceeds DoD requirements Package Contents: GrovTec US D-Loop Recessed Plunger Heavy Duty Push Button Swivel Set GrovTec US LMTCM005: D-Loop Recessed Plunger Heavy Duty Push Button Swivel Set Black