Variable installation angle through the joint ?= 18(-20) / D=23 / D1=17.5 / H=7.5 / H1=13 / L=24 / t= 2.5-3 mm For round tube frames with an outer diameter of 17.5 mm and a wall thickness of 2.5-3 mm Material: Shaft: Polyethylene (PE), sliding surface: wool felt, connecting elements: steel and PVC Scope of delivery: 4x joint gliders for chairs
