Highland Delrin Speed Nuts Size:3/8" Second stage features a classic

Second stage features a classic downstream valve and comes with a VIVA switch to control free flows

The ST22 is designed for warm water dives in aluminum cylinders

All stainless steel construction with Viton o-rings

The tray uses a standard 1/4-20 tripod mount to fit most major brands of underwater cameras

Tinted lenses are constructed from super-durable tempered glass for many years of use

Highland Delrin Speed Nuts Size:3/8" Second stage features a classicUpgrade your wing nuts on your back plate with these corrosion free Delrin Speed Nuts. Nuts are precision machined from durable Delrin material and help prevent stainless steel to stainless steel galling. They are a strong, durable alternative to the traditional wing nuts. Features: Strong, durable alternative to traditional wingnuts Knurled gripping surface for easier disassembly Available in four sizes: 3 8 fits Highland bands hardware SB725 (p n