Not very hard stainless steel, they bent easily going into pressure-machined 2x4s, or those Square drive notch would burst out. The 1" was ok, but the 3 1/2" x #8 was terrible.
Xiaomi MiJia Electric Screwdriver Gun Cordless Screwdriver Black
20 Review
Hankook Tire Ventus Prime3 K125 195/55 R15 89V summer
12 Review
Universal JONNESWAY S04H52494S, 94 pcs, green
11 Review
191Pcs Nickel Plated Metal Eye Shape Screws - 9 Sizes, Self Tapping, Silver Color | ECKJ
15 Review