Ideal tool for greenhouses: these greenhouse twist clips are ideal for fixing wires, insulation materials and shades to aluminum greenhouses, they have anti-corrosion properties and long service life Sufficient quantity: you will receive 100 pieces of greenhouse plastic clips and 100 pieces of washers, total 200 pieces, each twist clip is equipped with a washer, suitable for insulation of green net shading material Easy to use: it just insert the roof channel and tighten the insulation, you can save time and effort by using our twist clips, the process does not need other tools, these washers can prevent the insulation from tear Suitable size: the greenhouse fixing clip size is approx. 0.78 x 0.78 inch/ 2 x 2 cm in length and width, the size of this washer is approx. 0.98 inch/ 2.5 cm in diameter Reliable material: these greenhouse extension corner clips and washers are made of quality plastic, which is stable, precise and reliable, it can withstand heavy use long term Quantity delivered: 200 pieces