Greenhouse nuts and bolt. Necessary accessories for building most greenhouses. Also a good replacement when the parts is damaged. Made of high quality material, for long time use. These bolts are the standard bolt size used in the vast majority of greenhouses. Thread Size: M6 x 15mm Colour: silver Material: metal Package Contents: 100 x screws 100 x nuts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.