... 1)perfect surface treatment 2)precise dimensions 3) lowest price glass clamp, 1). Material: Zinc,, Surface: Zinc nickel plating + ... small D wide type, middle D/middle D wide type, large D type, to suit 6-12.76mm glass,Clamps can ... order quantity is more than 2000pcs. 11) For more glass clamp.square glass clamp, round glass clamp,balustrade,handrails, handrail fittings, , handrail fittings, handrail ...