Master Mechanic 35PC drill driver combination Black Oxide drill bit set. Includes:10PCS Black Oxide drill bits:1/16", 5/64", 3/32",7/64'',1/8'',9/64'',5/32'',3/16'',1/4'', 5/16" 4PCS masonry drill bits: 5/32'', 3/16'', 1/4'', 5/16'' 3PCS wood drill bits: 5/32'', 3/16'', 1/4'' 4PCS flat wood drill bits:1/2'', 5/8", 3/4", 1'' 13PCS 1" screwdriver bits: SL6, SL8, SL10,T15 T20 T25 , PH#1 ,PH#2,PH#3, PZ#1 ,PZ#2,PZ#3, S2,1PC bit holder