Product information "ERA-TAC sling swivel holder, rotatable and lockable"
The sling swivel holder is easily mounted on the Picatinny rail using a knurled screw and spring counter-pressure. Sling swivels with hinge pins are provided for mounting. If the threaded pin on the side is unscrewed, the head can be rotated.
Specification:
Colour: black, powder-coated
Material aluminum with steel screw
Head width: 8mm
Length: 40mm
Width: 15mm
Height: 26mm (20mm from Picatinny)
Weight: 29g