Features - Color: Silver - Material: Aluminium - Size: About 1.50X1.00X1.00cm/ 0.59X0.39X0.39inch - Greenhouse nuts and bolts are made of aluminum, rust- proof and durable. Can be used in all aluminum frame greenhouses. - Simply insert the bolt into the groove of the glass strip, tighten the nut and turn it to lock it firmly in place. - Suitable for most aluminum greenhouses, and also suitable for fixed shelves, stages, etc. - When a typhoon or heavy rain comes, you can prepare these in advance to strengthen your greenhouse glass panels to damage. - Simple installation and disassembly, giving you a good experience in the greenhouse or garden. Package List 200 x bolts 200 x nuts Goods Description Made of aluminum material, these bolts and nuts are precision, sturdy, hard, durable for long time use. Easily removed and re- used. Proper for attaching shelf supports and brackets etc when assembling the greenhouse. These are must- have accessories in greenhouse.