You are purchasing a brand new, high quality HSS cutter set. The 7pcs set includes: 6 x rota broach/annular cutters: 27mm, 29mm, 31mm, 33mm, 35mm & 37mm the set also includes 1 x pilot pin, safely packaged inside a plastic box. Brand new Cutter length: 64mm Shank: 3/4" (19mm) which is a standard Morse Taper 2 (MT2) type fitting Pilot pin length: 77mm (diameter 6.34mm) Hardened stainless steel (HSS) construction Suitable for many uses including it's use with electromagnetic drills (such drills are available in store too) While cutters/pin are of high quality, the case is of light duty material to allow for best possible price.