T10 S.A.F.E. M-Lok Rail Attachment Kit 1.5in Hd Qd 316 Stainless Steel Black Nitride. A.F.E. Attachment Point was designed with a "keyway" at the six o'clock position to function with our S.A.F.E QD. But you can still use a standard QD H&K Hook BFG ULoop or 550 cord. Attachment was purposely designed this way to provide a broad range of options when attaching a sling to the weapon. Specifications for T10 S.A.F.E. M-Lok Rail Attachment Kit: Manufacturer: T10 Color: Black Fabric/Material: Stainless Steel Weight: 1.5 oz Finish: Nitride Additional Features: 1.5in Heavy Duty Quick Detach Package Contents: T10 S.A.F.E. M-Lok Rail Attachment Kit T10 SMLOK: S.A.F.E. M-Lok Rail Attachment Kit 1.5in Hd Qd 316 Stainless Steel Black Nitride