Affordable, quality screw kit contains five of the most popular screw sizes for pocket hole joinery, and now comes in a new and improved case. Includes #6 x 1" pan-head fine (150), #7 x 1-1/4" washer-head fine (150), #8 x 2-1/2" washer-head coarse (75), #8 x 1-1/4" washer-head coarse (150), and #7 x 1" pan-head coarse (150). All screws feature a self-tapping tip and deep, #2 square drive recess.Kit contains 675 screws to tackle a wide variety of projects. The upgraded case is made with heavy-duty plastic and features a comfortable domed handle for easy transport. Use #6 x 1" pan-head fine thread screw when joining material to hardwood. For use in 1/2" thick stock.Use #7 x 1-1/4" washer-head fine thread screw when joining material to hardwood, such as hardwood face frames, attaching edge-banding, and cabinet walls to face frame. For use in 3/4" thick stock.Use #8 x 2-1/2" washer-head coarse thread screw in both hardwood and softer materials. With Sun-Seal weather-resistant coating to greatly prolong outdoor life. Ideal for 2x4 construction, decks and outdoor furniture. For use in 1-1/2" thick stock.Use #8 x 1-1/4" washer-head coarse thread screw when joining material to soft or composite material. Works great screwing cabinet partition to floor, nail rails to partition, corner blocks, and plywood to plywood. For use in 3/4" stock.Use #7 x 1" pan-head coarse thread screw when joining material to soft or composite material. Ideal for drawer boxes. For use in 1/2" thick stock.