Stainless Steel Clamp
1) Material: stainless steel 304,
2) Size: 1/2", 3/4", 1.5", 2", 2.5", 3", 4", 6", 8", 10"
3) Standard: ISO, 3A, DIN, SMS
4) Applications: beer, dairy, beverage and pharmaceutical industries

5)There are other kinds of the wing-nut: