Power Drive Dead Blow Hammer, 4 lb Head, 2 3 4 in dia Face, 15.5 in Handle, Black Yellow no checkout Contains no CFC's Non clogging formula Special vapor Contains no CFC's Non clogging formula Special vapor pressure promotes consistent ignition Triple refined to burn cleaner A liquid sealant recommended for sealing the fine threads of hydraulic and pneumatic connectors Prevents loosening and leakage from shock and vibration No mixing required Engineered to perform better than rubber or plastic face hammers Hammer faces are abrasion and impact resistant Designed to withstand severe striking applications and are surface protective