Ampco - Non-Sparking Hammers; Tool Type: Sledge Hammer; Head Material: Aluminum; Handle Material: Fiberglass; Head Weight Range: 10 lbs. and Larger; Overall Length Range: 21″ and Longer - 18619296 - MSC Industrial Supply
Amazon.com: 2 Pack 4 lb Small Sledge Hammer, 4 Pound Mini Sledge Hammer, Steel Head and 12 Inch Long Shock-Resistant Fiberglass Handle, Heavy Duty Stoning Hammer Club Hammer : Tools & Home Improvement
Estwing 4lb Sledge/Drilling Hammer | Capital Surveying Supplies
10 lb Sledge Hammer with Anti-Slip Cushion Grip and 36" Fiberglass Handle
URREA 8 lbs. Steel Octagonal Sledge Hammer With Fiber Glass Handle 1437GFV - The Home Depot