AlumaGrips 1911 Full Size Slimline Desert Digital Complete Coverage Checkering Ambi Grip Machined from 6061-T6 Aluminum with a high quality anodized finish that exceeds mil specs Type III brown hard anodized base coat High quality desert digital hydrographic final coat All Desert Digital AlumaGrips are manufactured to accept an ambi safety AlumaGrips will never bend, split, or crack