![100pc #2 PSD2-2 Phillips Square Drive 1-inch driver bit](http://phillips-fastener.myshopify.com/cdn/shop/products/316H4z29CBL_large.jpeg?v=1461703647)
100pc #2 PSD2-2 Phillips Square Drive 1-inch driver bit
Patented ribbing holds onto all screws better
- Works with combination Phillips Square recesses
- Works best with Phillips II Plus screws
- patented threading holds onto screw tighter
- harden steel for extended life
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