If you want to improve your accuracy and be able to shoot your speargun more comfortably with just the one hand – then look no further!

The Octosub IGF-400 Ballast kit provides your speargun with 400mls of displacement, and is designed for all wooden spearguns.

Technical specification

• 2 x 200 ml Ballasts
• Specific Gravity of 1.02
• Includes 6 Stainless Steel Screws
• Colours – Blue, Purple, White
• Size – 20, 24
• Material: 100% Polyester

The Octosub IGF-400 Ballast is hand made and designed in Australia by Octosub. As such, please note that you may find some marks and blemishes are visible. This does not impact the strength or structure of the product.