... 4. One tang break off tool 5. One helicoil insert tool HSS Helicoil Kit SpecificationsIt is a kind of whorl repair products. ... heavy duty tool for higher volume installation A HeliCoil thread repair kit packed with a heavy duty tool for higher ... low level production. The HeliCoil Workshop Kit contains a twist drill, HeliCoil tap, HeliCoil heavy duty installation tool,HeliCoil tang break off tool, ...