... , stainless steel fittings Model no.: GLD-9 Specification: GLD-8 high-quality products, aluminum pipe, with light or handrail, big power motor ... groove: 0.8-1.0mm. Lens Drilling Model no.: GLD-18 aluminum pipe, with light or handrail, ordinary motor Specification: GLD ... -18 made of aluminum pipe, with light or handrail, ordinary motor. ...