Bolt down fence post shoes are a quick and easy way to erect fencing and garden posts as they require no digging or concreting into place, saving time and money. Designed to be fixed down onto an existing concrete base or wall and are perfect for patio fencing, decking, pergolas or car ports. The bolt secure version features 2x 8mm carriage bolts that tighten and clamp the post firmly into the post holder section to prevent any post movement. Base Plate Size: 150 x 150mm. Carriage Bolt Size: M8 x 35mm. Corrosion Rating: 2 - Occasionally damp/wet, rural and sheltered areas. Finish: Oxide Red Powder Coated. Fixing Hole Dia: 11.0mm. Included Items: M8 x 35mm Carriage Bolts (Qty 2), M8 Nylon - Type T Nuts (Qty 2). Material: Carbon Steel. No. of Bolt Holes: 4. No. of Carriage Bolts: 2. No. of Nuts: 2. Nut Size: M8. Nut Type: Nylon - Type T. Pack Dimensions: 150 x 150 x 150mm. Pack Weight: 0.770kg. Post Holder Length: 150mm. Product Code: BDB50. To Suit Post Size: 2 x 2 inch / 50 x 50mm.