Elesa+Ganter Bracket for clamping jaws GN 868.1 Material: Black-oxide steel C45. Parts included in the supply: Hexagon socket head cap screws DIN 912 and guide bushes GN 870. Clamping jaws: - Version R: clamping jaws at right angle to clamping arm. - Version P: clamping jaws parallel to clamping arm.