Featuring dual surfaces for complete blade maintenance, this sharpening plate combines a G400 diamond side with a honeycomb design for rapid, efficient sharpening, paired with a G1000 ceramic surface for fine honing and finishing. The lightweight construction makes it ideal for camping, hiking, or workshop use. Works on all knife and blade types. DDSP30100: 30mm x 100mm x 1.4mm Thin ( G400 / G1000 ) Double Side Diamond DCSP5085: 50mm x 85mm x 1.7mm Thin ( G360 / G1000 Ceramic ) Credit Card Size, Diamond / Ceramic DCSP2575: 25mm x 75mm x 6mm Thick ( G400 / G1000 Ceramic ) One Side Diamond / One Side Ceramic DCSP30100: 30mm x 100mm x 5mm Thick ( G400 / G1000 Ceramic ) One Side Diamond / One Side Ceramic