At Hatch Customs we provide the best tools to help you master the sport of Spearfishing. One of these tools is having the right band set-up for your speargun. Tested and proven, this formula will insure that your speargun delivers the most accurate shot with precision and power. Available in Black 5/8" which is 16mm with HD Inserts and wishbones for easy installation and removal. A perfect replacement for any speargun.