The IDEAL 63 Series HY-GEAR worm-drive hose clamp is engineered for corrosive environments and demanding installation conditions including inground and underwater use. Constructed from high-nickel 300-series stainless steel, the band and housing resist corrosion; the slotted 5/16" hex head screw is also 300-series stainless steel. The band width is 9/16" and clamps cover a broad diameter range for plumbing, hydraulic and industrial hose applications. Supplied in a box of 10 for convenient installation and inventory management. ProductDatabase references product name and internal specifications; RainforestProductData provides detailed material and application information ensuring a durable, marine-capable clamp for maintenance and industrial use.