Meta Tactical Picatinny Thumb Rests w/ HW Black. A great index point to quickly index your weak hand grip. Specifications for Meta Tactical Picatinny Thumb Rests w/ HW: Manufacturer: Meta Tactical Color: Black Fabric/Material: Polymer Condition: New Mount Type: Picatinny Attachment Type: Picatinny Features of Meta Tactical Picatinny Thumb Rests w/ HW Compact form factor Double-sided for texture and shape options Package Contents: Meta Tactical Picatinny Thumb Rests w/ HW x2 M5 x 27 Screws/ Nuts Meta Tactical MTA-TREST: Picatinny Thumb Rests w/ HW Black