UPC 709202821139

• ▲ 50 SIZE IN 5 - The bits set includes five standard step drill bits that can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces
• ▲ HSS & TITANIUM COATING - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets，aluminum sheets，copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean
• ▲AUTOMATIC CENTER PUNCH & PROTECTIVE ALUMINUM CASE - the center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control; and the carbide tipped bit makes the center punch 10 times stronger than normal one;protective aluminum case makes the drills not easy to dull
• ▲DOUBLE CUTTING BLADES & THREE-SIDED SHANK - Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces
• ▲WHAT YOU GET - Tacklife Step Drill,Automatic Center Punch, Aluminum Case, User's Manual, 24 months warranty

Tacklife - Professional team on Amazon, which deals only with development of the tools. We commit ourselves to using qualitative tools to improve the quality of life. Features: 1. Cobalt added reduces friction and lasts longer than those which does not contain cobalt bits; 2. The sharpness and titanium coating ensure easily cut through most sheet metal, plastic and some other materials with ease; 3. Laser marking makes the size more clear; 4. X-type openings design to facilitate the removal of cutting waste when drilling; 5. Double cutting blades design enables a faster and smoother cutting; 6. High speed steel for longer service life; 7. 3-sided shank prevents slip in drill chuck; 8. Delivers an automatic spring-driven strike when pressed against surface; 9. Adjustable cap regulates striking force; 10. Brass body has a deeply knurled surface for nonslip control. Specification: Size: #1: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") #2: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8") #3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") #4: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'') #5: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') Note Check the concentricity of the spindle and spring chuck and the clamping force of spring chuck, for the concentricity may cause the drill bit broken and make drill hole too large. Package: 5 x Step Drill Bit Set 1 x Automatic Center Punch 1 x User's Manual 1x Aluminum Case