Description: Stainless Steel Material: These greenhouse glass clamps are made of 304 stainless steel, which is strong and will not rust, durable Suitable Size: Each W clip is about 7.5cm in length and 1.2mm in thickness; The length of the Z clip is approximately 1.3 cm, suitable for most greenhouse needs. Easy to Install: Our W clamp can be installed quickly, widely used for everyday greenhouse glass in every season. Necessary Accessories for Greenhouses: The greenhouse glass panel clamp provides extra stability for the greenhouse and is a must-have replacement accessory for greenhouse glass fixation or repairs. Greenhouse glass clamps ensure the safety of your greenhouse, suitable for a variety of materials, such as hollow slabs, multiple wallpapers, glass greenhouses, etc. Specification: Material: Stainless Steel 304 Size Chart: W Clips: 7.5x3.4cm/2.95x1.34inch Z Clips: 13x4mm/0.51x0.16inch Package Includes: 50 Pieces W Clips 50 Pieces Z Clips Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!