397g / 14oz Fatmax Vibration Dampening Nailing Hammer FMHT1-51260 by StanleyFeatures:-

• Durable rubber overmold for long lasting, slip resistant grip
• FatMax AntiVibe shock absorbing layer that helps reduce vibrations in the handle
• Overmolded high impact polypropylene jacket for additional durability and overstrike protection
• Shock absorbing collar isolates vibrations to the head and reduces shock through the handle on impact
• Steel core adds strength and durability