glass clamp material: zinc alloy available size: 40mmx40mm, 60mmx50mm, 110mmx70mm finish:GP, MC, CP,SN,AB packing: 1pair/box glass clampmaterial: zinc alloy5033: 40mmx40mm5032: 60mmx50mm5031: 110mmx70mmfinish:GP, MC, CP,SN,ABpacking: 5033, 5032: 1pair / box 5031: 1pc / box glass clamp