Mast Ring 5mm $4.78 BF0502 Package of 10 5mm Mast Ring 5mm quantity Add to cart SKU: BF0502 Category: Above Deck Tags: mast rings, rings Description Additional information Brand Attachment Description Package of 10 brass finished rings. 5mm. Helpful Tools: Marking & Measuring Tools Tweezers and Pick-up Tools Magnifying tools & headlamps LC1764 LED Headband Magnifier w/4 Lenses Additional information Weight 0.09 lbs Dimensions 10 × 8 × 2 in Brand Billing Boats Kits