All 4 of those are sharp with good edges and the other 20 still have wax coating protecting the tips. The set will come with the protective tubes for each bit. The 24 bit sizes include are.7/16, 1/2, 9/16, 5/8, 21/32, 11/16, 23/32, 3/4, 25/32, 13/16, 27/32, 7/8, 29/32, 15/16, 61/64, 31/32, 63/64, 1, 1 1/64, 1 1/32, 1 1/16, 1 3/32, 1 1/8, 1 1/4. The 4 that were used are 25/32, 13/16, 27/32, 7/8 Used to drill 3 balls over one weekend. You'll notice in the pics that the 1 1/4 is the only bit labeled as "Michigan Drill" on the protective tube. I believe Michigan Drill and Republic Drill Corporation are the same company as their websites are exactly IDENTICAL! Check out my other listings as I will be posting a set of pitch gauges, ball fitter, jig and some other misc.
The item "Bowling Drill Bit Set 24 Piece Carbide Tipped (+bonus items) - A $1200+ Value" is in sale since Sunday, January 28, 2018. This item is in the category "Home & Garden\Tools\Power Tools\Drill Bits". The seller is "thedowdyfamily" and is located in Colorado Springs, Colorado. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica.