HOLO-KROME 06052 صواميل ألين 5/8-11 | محرك مقبس 12 نقطة | فولاذ سبائكي بأكسيد أسود حراري (50 / عبوة)

The black oxide finish on these held up perfectly during a tight machinery repair where a socket wrench wouldn't fit. The knurled cylindrical nut design makes them easy to grip and drive with a hex key.

The 12-point drive grips the hex key securely, and the thermal black oxide finish has held up well against oil and grime in my shop. These internal wrenching nuts are a lifesaver when clearance is tight and a standard wrench just won’t fit.

I had to use these in a tight spot under my workbench where a regular socket wouldn't go, and the knurled surface made it easy to hold onto while driving them. They're definitely built solid for the price.