1. Not sure about the size of your gutter holes? Don't worry, these 6-packs are suitable to withstand most blockages. 2. EASY TO USE: No extra tools required, easy to adjust, you can tighten the gutter as much as you need. You just need to simply insert it into the right place. 3. NO MORE MESSAGES: Save yourself the hassle of constantly cleaning your gutters; your wallet from expensive repairs. With 6 rain gutter strainers in the set, you can keep leaves, dirt and debris away from your gutters in an easy and effective way. 4. DURABLE MATERIAL: We use non-rusting, waterproof and weatherproof aluminum. This gutter strainer is more sturdy. Durable enough to sit firmly in place and not bother you to reinstall it. Color: Silver Material: Aluminum Size: 15 x 8.0 cm Package Contents: 6 x Filter Caps Above Package Contents Only, Other Products Are Not Included. Note: Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.