Spool: Aluminium alloy T6061 (aircraft material)Line: EdelridLeader: DyneemaBolt snap 316 stainless steelSwivel: Brass nickel-plated Unique flared shape for easy holding and winding with gloves on With an easy-to-hold rubber outer grip Large central hole for easy grip when wearing thick gloves, even when diving in cold climates Colours for each size are easy to distinguish at a glance High-quality, highly visible lines Durable design Taut leader prevents damage to the main line when untying and is easy to deploy. Equipped with a swivel to prevent the line from tangling or tangling. Durable one-piece moulded aluminium alloy material used in aircraft Anodised. Can be extended and reeled in if a longer line is required Stainless steel bolt snaps included Lines are sewn together rather than knotted for extra durability Highly visible orange line With easy-to-grab pull-dubs