Snap: Marine grade stainless steel, length
3.54 inch (9 cm) , with 18-8 S/S internal springs
• Raised logo let cave divers read the spool by touching during zero visibility situation
• Spool: Corrosion resistant and light weight ABS, 3.15 inch (8cm) diameter
• Spool Color: White, black, golden, blue, green, purple, tiffany
• Material: Engineering plastic