x 7.5 in. long pneumatic air chisel, extra wide 4 inch blade removes more tile and thinset per pass. 0.401 inch shank. Compatible with all standard 0.401 in. round shank air hammers. Widely used ...

Carrying sledge hammers, scientists hiked to the impact site in South Africa to chisel off chunks of rock to understand the crash. The team also found evidence that massive asteroid impacts did ...

don't whack at it with a sledgehammer. Here's what to do instead. Buy a can of CRC Freeze Off penetrating spray and an air chisel fitted with a “hammer bit.” Generously spray the opening to ...