IST Second Stage Adjustment Tool | Scuba Equipment Filter Computer Features_Integrated Digital Compass surfing and almost all water

surfing and almost all water sports in warm to temperate water

making it easy to sort and select your weights by color

Weight     18 ounces (509 grams)

but also effective for carving and DH as well

As with any quality mask

IST Second Stage Adjustment Tool | Scuba Equipment Filter Computer Features_Integrated Digital Compass surfing and almost all waterStainless steel construction Helps adjust the second stage regulator Adjust the airflow for easier breathing The IST Second Stage Adjustment Tool is compact and easy for travel. This simple tool helps adjust the airflow of your regulator for more comfortable breathing.