These drive easily (with impact driver) and clamp the material well. none. Drives like a champ. Drive in fast and grip strong.

These are torx head screws (my favorite kind of drive) with an oddball size driver. Application -- building a pergola from recycled redwood planks.

Bigger than normal heads act as a washer to help keep joints tight. Flat head is a good look and doesn't * the wood like other legs. Much nice than the traditional hex-head timber lox. Allows me to pull materials in tight without blowing through the l...  Read More

Great for hanging tvs to the studs on walls. Also used on my fireplace mantle to mount across the top much like a hidden shelf.

Two boxes down the drain. Two weeks later. Try another brand/syle. Now it is past return or claim cutoff.