ESTWING BIG BLUE Drilling/Crack Hammer - 4-Pound Long Handle Sledge with Forged Steel Construction & Shock Reduction Grip - B3-4LBL - Amazon.com
Estwing - BL353 Drilling/Crack Hammer - 3-Pound Sledge with Forged Steel Construction & Shock Reduction Grip - B3-3LB - Amazon.com
Estwing 6-Pound Hard Face Sledge Hammer for Post Driving, Stone Fracturing, and Demolition, 24-Inch Durable Steel Handle with Vulcanized Rubber Covering (4-Pound Head x 16-Inch Handle) - Amazon.com