Check the listing for details. SeaLife 52mm to 67mm Step-Up Ring SL978. Condition: New. Listed at 22.99 USD. SeaLife 52mm to 67mm Step-Up Ring SL978 PRODUCT DESCRIPTION Easily convert 52mm threads to 67mm threads! Attach any 67mm camera lens or filter to your SeaLife DC-series camera. Mounts to SL977 52mm thread mount adapter (SL977 sold separately). Includes: 52-67mm step-up ring only Requires SL977 52mm Adapter for attaching to SeaLife DC-series housings (SL977 sold separately). FEATURES Converts 52mm threads to 67mm threads Durable black anodized aluminum construction Includes 52-67mm step-up ring only Requires SL977 52mm Adapter for attaching to SeaLife DC-series housings (SL977 sold separately) SPECIFICATIONS Attachment Method Screw-on threaded ring Weight 12.3g (on land); 8.3g (in freshwater), 8g (in saltwater) Dimensions 2.8"(70mm) diameter x 0.32" (8.2mm) width Packaging Dimensions 182mm height x 98mm width x 17.5mm length We ship Monday-Friday 8:30AM - 5PM of EST While some orders would not be shipped out same or next day, they will be delivered by the eBay estimated delivery date. If you desire the item sooner, please, choose expedited shipping options. Please, contact us through eBay messaging if you need more information on the product