WPK1A/2A/3A hand-type spike hammer Performance WPK1A/2A/3A hand-type spike hammer with single/double/three bits is for scraping the concrete layer of the construction such as reservoir, dam, bridge, power plant, highway, high-speed railway. It is light and easy to operate so it is special for hammer the small areas on ceiling, wall and Curved surface. Parameters Machine Name Puch model hand model3 bits2bitsone bitModel WPK11AWPK80AWPK3AWPK2AWPK1AWeight(kg) 76145.53.52.2blows/m 11*220016021003*24001602*24001602400Capacity/pressure 1.6m3/6kg1.5m3/5kg0.9m3/5kg0.8m3/5kg0.6m3/5kgDiameter*Number dia 31*11dia 80*1dia 31*3dia 31*2dia 31*1working width(mm) 283801006531Chipping Depth(mm) 3-103-103-53-53-5Bitservice life(m2/set) 2000-4000400-600500-700400-500200-300 There are push model, hand model , 1bit, 2bits, 3bits model for choice.