NIUNIU Material: Stainless steel. The bracket has strong anti-rust ability, does not rust, prolongs the service life and saves the wiring terminals. High quality greenhouse glass clamps keep your greenhouse safe. Suitable for a variety of materials, such ashollow panels, multi-layer wallpaper, glass greenhouses, etc. Suitable for almost all aluminum frame greenhouses For installing greenhouse glass to aluminum frame When a typhoon or heavy rain comes, you can prepare these clips in advance to strengthenyour greenhouse glass panels to prevent damage. Package includes 50 304 Stainless Steel W-Clamps, 50 301 Stainless Steel Z Overlap Clips Shipment Quantity: 100 Pieces Package Contents: Only the above package contents, excluding other products. Size: W-type iron nail: 77*32*15MM, Z-type fixed buckle: 13*9*4.5MM (Reminder: The size is measured by hand, please allow 1-2 cm measurement error) Color: Stainless Steel (Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.)