Black Hills Rustic Machine Cut Color range: Sandstone Blend Size: 3"- 5" Coverage: 20 sq ft Weight: 3,600 - 4,000 lbs per pallet Use for:Garden / Retain Walls Blue River Sawn Top & Bottom Color range: Medium Gray, Buff Size: 4" Coverage: 20 sq ft Weight: 3,500 lbs per pallet Use for:Garden / Retain Walls