These are premium quality

7/8-14 x 7 Socket Cap Screw Alloy

31/64 Heavy Duty Jobber Drill Bit

7/8-9 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

7/8-14 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/16 x 3 1/4 Phillips Flat TITEN® Concrete Screw Blue - Box (100) Drop-In Anchors 303 Stainless Steel These are premium quality3 16 x 3 1 4 Phillips Flat TITEN Concrete Screw Blue Box (100) . TITEN screws are 3 16" and 1 4" diameter masonry screws for attaching all types of components to concrete and masonry. Available in slotted hex and phillips head designs in three colors. Use with appropriately sized TITEN drill bits included with each box.