they provide up to 128 lbs of holding power in 1/2" drywall

1 1/8-12 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (16)

1-8 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (10)

9/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

1/2 x 10 Powers Wedge-Bit™ Spline 1/2 Dowel Pins Alloy Steel they provide up to 128The Powers Wedge Bit Spline is a reliable, high quality 1 2 x 10 spline bit ideal for any job that requires drilling fast and efficient holes. It is made of durable steel with sharp cutting edges, allowing for improved accuracy and precision while drilling. The spline is designed to be corner to corner strong, providing strong gripping power for these 1 2 inch bits.