ZENESIS Construction Core Bit V-Notch for drilling through concrete, asphalt, stone, and other types of construction material Application: Hard Concrete, Brick, Reinforced Concrete, Concrete Block 12mm (.472”) segment height optimized with high grade diamond and concentration to core through hard applications and heavily reinforced concrete Exclusive "pattern" technology for maximum performance Fast drilling of cured concrete with heavy rebar V-notched segment design helps increase speed and initial hole coring Made in the USA to withstand the toughest drilling application Laser welded patterned diamond array for consistent speed and life in rugged applications 14" long barrel Part # Description Stocked ZOE10VV02015A 2 x .155 X 1 1/4 - 7 Yes ZOE10VV02515A 2 1/2 x .155 X 1 1/4 - 7 4-5 Days ZOE10VV03015A 3 x .155 X 1 1/4 - 7 4-5 Days ZOE10VV03515A 3 1/2 x .155 X 1 1/4 - 7 4-5 Days ZOE10VV04015A 4 x .155 X 1 1/4 - 7 Yes ZOE10VV04215A 4 1/2 x .155 X 1 1/4 - 7 4-5 Days ZOE10VV04515A 4 1/2 x .155 X 1 1/4 - 7 Yes ZOE10VV05015A 5 x .155 X 1 1/4 - 7 Yes ZOE10VV05515A 5 1/2 x .155 X 1 1/4 - 7 4-5 Days ZOE10VV06015A 6 x .155 X 1 1/4 - 7* Yes ZOE10VV06215A 6 1/4 x .155 X 1 1/4 - 7* 4-5 Days ZOE10VV06515A 6 1/2 x .155 X 1 1/4 - 7* 4-5 Days ZOE10VV07515A 7 1/2 x .155 X 1 1/4 - 7* 4-5 Days ZOE10VV08015A 8 x .165 X 1 1/4 - 7* Yes ZOE10VV09018A 9 x .187 X 1 1/4 - 7* 4-5 Days ZOE10VV10018A 10 x .187 X 1 1/4 - 7* 4-5 Days ZOE10VV12018A 12 x .187 X 1 1/4 - 7* 4-5 Days ZOE10VV14018A 14 x .187 X 1 1/4 - 7* 4-5 Days