Manuals Brands Harbor Freight Tools Demo Hammers Harbor Freight Tools Demo Hammers Manuals ProdManuals has more than 4 Harbor Freight Tools Demo Hammers manual(s) covering 4 model(s). 1 Models Document Type 1 15 Amp Heavy Duty Professional Breaker Hammer 10 Amp Heavy Duty Professional Demolition Hammer 1_9/16 in. 8.5 Amp Heavy Duty SDS Max Type Variable Speed Rotary Hammer 11 Amp 35 lb. Lower Wall Breaker Hammer