Add to Cart Quick view Cobratec Silver Knurled CNC T6 Aluminum Lightweight Knuckles Cobratec MSRP: Now: $39.95 Was: CobraTec designed these CNC Knurled knuckles with a large hand in mind. The 6061 T6 aviation aluminum is CNC machined and anodized in choice of colors; black, blue, purple, red and silver...