The Makita HK1810 light-weight chipping hammer weighs 7.1 lb and has a 5 Amp variable speed motor generating 2,000 to 3,200 BPM using 1" & 2" scaling chisels, or moil-point chisels designed for light duty tile removal or re-pointing. The Makita HM0810B weighs 12.8 lb and has an 8 Amp motor generating 2,900 BPM using the 3/4" hex shank 1" & 3" wide chisels or moil points and is designed for more difficult tile removal, repointing, or breaking up masonry materials
Also known as jack hammer or concrete breaker or power chisel or electric chisel or handheld concrete chipper.