Set of mills for repair and cleaning injector seating in diesel engines. Honing the seating when replacing or reinstalling old injectors increases the joint tightness and promoted combustion efficiency. Set includes: dia. 15/19 mm (flat version) universal use, dia. 17 mm (angular version) injection (Mercedes – Benz CDI), dia. 17/21 mm (angular version) injection (Fiat/Iveco), dia. 17 mm (flat version) injection Delphi/Bosch (BMW, PSA, RENAULT, FORD), dia. 17/19 mm (flat version) injection Bosch (Mercedes CRD), cleaning mill 19 mm dia., application arbor, T – handle and Allen key. Material: SKD11. Hardness: 58 – 60 HRC. Comes in a plastic case.