Connection clamp (heavy version), with holder (mounting bush) for GRP solid rod for mounting on steel structures or railings, clamp material: St/tZn, clamping range: 36-52 mm, mounting bush: aluminum, Ø 25 mm, bush bore: Ø 16 mm (GRP solid rod), locking screw for GRP solid rod: hexagon screw M6x8 stainless steel V2A, with locking varnish, tightening torque locking screw for GRP solid rod: 5 Nm