2011 CIMIT:W4-D80 HSS chasers are 4 pcs in one set, designed and manufactured to your application, more compettive in quality a 2011 CIMIT:W4-D80HSS chasers are specially made and designed to suit the threading of construction materials, and they are a kind of high performance threading tools.The HSS chasers are suitable for the threading of steel and water & heating pipes. With special heat ...