Count on the Man Saver Post Driver to deliver exceptional work savings and a great cost. This pneumatic post driver works for t posts, fence posts and more. Weight: 34 lbsCapacities: Round post -- 2-3/8" diameter | Square/rectangular post -- up to 2 3/8" (cross corner diagonal). ). Requires special adapter.Includes: Basic tool with one sleeve (maximum round). Replacement sleeves available as needed.To order parts, contact us at 1-800-980-7599.