Item Type: Jaw Slide Material: Stainless Steel 316 Function: For fixing of boat parasols. Opening Diameter: Approx. 38mm / 1.5in Ring Wall Thickness: Approx. 5mm / 0.2in Package List 1 x Jaw Slide This product is made of stainless steel, and needs regular inspection and maintenance during use. 1Top Hinge Mount: With 38mm opening diameter and 5mm thickness, can easily fix rail, tube, etc., with great stability. 2Stainless Steel: Made of marine grade 316 stainless steel, which has good durability against corrosion in salt water. 3Easy to Install: The pipe clamp can be opened and fastened to the 38mm pole without removing and sliding on the end. 4Exquisite Craft: Having been through mirror polishing, the jaw slide with metallic lustre is also a pretty decoration. 5Practical Using: Allows for extensive application on various ships, including boat, yacht and so on, very practical.