Hollis aluminum plate black only

Designed to fit cylinders more closely to prevent gaps, tighter profile, reduces drag, 5052 grade hard black anodized aluminum, outside edges: radius-formed to fit Hollis BC, prevents back-plate chafing of BC, slots, holes, and edges of Hollis back plate are fully de-burred, reduced harness wear, 1" & 2" (2.5cm & 5cm) slots for crotch strap, designed for single or double cylinders with proper adapters, weight: 32oz (907.2g), lightweight for travelers' choice