3/8"  Square Left hand line boring tool, 75mm long

takes CCMT09 carbide inserts

designed with a 0 degree lead in angle so you get a square corner when coming up to a shoulder or a step in a bore

these will fit the Climax BB4500 1 1/4" bars and any other machines that utilise a 3/8" square tool hole

RH and neutral square tools also available 

made here in the UK