Real Avid Armorers Master Hammer Professional-Grade Build Wrench Tool 9.5in Long Interchangeable Heads 8-Hole Pin Full-Length Tang Accu-Grip Handle. A removable soft blow hammer head cover and interchangeable hammer heads with integrated storage makes it easy to install the correct hammer head for the application. Stored in the handle is a removable stainless steel magnetic pin starter to provide a helping hand when building or modifying firearms. Specifications for Real Avid Armorers Master Hammer Professional-Grade Build Wrench Tool: Manufacturer: Real Avid Fabric/Material: Stainless Steel Color: Grey/Black Weight: 20 oz Caliber: Universal Size: Medium Features of Real Avid Armorer's Master Hammer Next-Gen Professional Grade Build Tool Perfect balance and ideal ergonomics for precise control Includes removeable soft-blow head cover interchangeable heads and a stainless steel magnetic pin starter stored in handle Package Contents: Real Avid Armorers Master Hammer Professional-Grade Build Wrench Tool Real Avid AVARMHAM: Armorers Master Hammer Professional-Grade Build Wrench Tool 9.5in Long Interchangeable Heads 8-Hole Pin Full-Length Tang Accu-Grip Handle Stainless Steel Forged Black