S316 stainless steel bollards are strong with exceptional corrosion resistance. Also ideally suited for coastal environments and areas of high traffic, such as retail parks and supermarkets. Dimensions are 900mm above ground and 300mm below ground. **Installation** Bollards supplied with welded fixing spikes to ensure firm ground anchorage. Excavate holes to depth of approx. 400mmx300mm diameter and cast into concrete. Seek local advice if unsure. **Maintenance** To ensure your stainless steel product maintains its original shine and stain free appearance regularly clean the unit with a 3M stainless steel cleaner or similar using clean microfibre cloths to wipe and buff the surface **Note:** Designed for general deterrence, but not rated for vehicle impact protection.