Product Description INSIZE 15pc LEFT HAND DRILL BIT SET ETIN0004 Made from High-speedsteel Left-handeddrill bits are useful for drilling out broken and sheared bolts and studs. These uniquedrill bits are used with your drill operating in reverse and when operated at low speeds thebit willquite often. remove the broken bolt or studwithout having toresort to using an easy out or extractor, saving you time and effort. Left hand Drill bits are very popular in the automotive, mechanical and farming industries and are a very handy set to have in the workshop and are primarily used for drilling out jammed or rusted bolts, studs etc. They will sometime cause the thread to “walk out”.The principle is the same as “screw extractors or Ezy-outs”. Bright finish, HSS M2 grade drill bits are precision ground with a 118 degree split point. Quick and efficient swarf clearance allows clog-free precision drilling. Ideal for use on metals, copper, plastics and wood. Drills are manufactured to comply to DIN338 standard. Sets are supplied in heavy duty case Features & Specs M2 High speed steel Left hand reverse flute. 15pc Sizes: 1.5, 2, 3, 4, 4.5, 5.5, 6, 7, 7.5, 8.5, 9.5,10, 11,11.5 and 12.5 mm Use For: Steel, alloys, plastic. To use: simply insert the drill bits into your drill and operate the drill in reverse at low speed.