1)Product:Stainless Steel Clamps,Pipe Clamps,Hinge Clamps. 2) Size: 1/2"-2" ... Standard polish: 180 Features: 1)Product:Stainless Steel Clamps,Pipe Clamps,Hinge Clamps.2) Size: 1/2"-2" . ... Standard polish: 180 grit ID, 150 grit OD; capabilities up to 320 grit.5) Material: ss304, ss304L, ss316, ss316L ... .8) Packing: wooden pallets,according to customers' requests. Stainless Steel Clamps,Hinge Clamps ...