"Seac-Sub Sting Sling Spearguns represent Top-level simplicity, practicality, and versatility. They are incredibly well made for an entry level gun and have superb accuracy & power characteristics. They are amazing value for money and the perfect Speargun for those new to the sport. As with all SEAC Spearguns you'll find that the Sting Models are perfectly balanced and are easy to handle, load and fire. Barrel: in extruded anti rust aluminium to maximize resistance and prevent bending. Double muzzle: allows mounting of one or two slings. Â Features: Handle: new anatomic grip and sternum rest and line release trigger and safety catch in high-strength, shockproof Nylon. Â Triggering device: in stainless steel and filled polyamide to ensure the utmost functionality and reliability. Â Sling: in latex, amber coloured, 16 mm diameter. Â Shaft: PR80 in treated steel Diameter, 6. 5mm Thread pitch M7. Â Line attachment: system directly on the arrow like on professional models. Â Supplied with: Nylon/Polyester line, 7M thread harpoon There are four models in the range from 45cm to 75cm models.