Stainless Steel Hose Clamp for Vacuum HoseMeet with SAE J 1508 standardTYPE F 1/2" Perforated Band5/16" Hex Head Slotted ScrewBand and Housing made from 301 Stainless SteelScrew made from 410 Stainless SteelClamps are Tightened by a screwdriver,wrench and socket (Hex Nut Driver)This style of Worm Gear Clamps size below:SAE06 11-20 25/32"SAE08 13-23 29/32"SAE10 14-27 1-1/16"SAE12 17-32 1-1/4"SAE16 21-38 1-1/2"SAE20 21-44 1-3/4"SAE24 27-51 2"SAE28 33-57 2-1/4"SAE32 40-64 2-1/2"SAE36 46-70 2-3/4"SAE40 52-76 3"SAE44 59-83 3-1/4"SAE48 65-89 3-1/2"SAE52 71-95 3-3/4"SAE56 78-102 4"SAE60 84-108 4-1/4"SAE64 91-114 4-1/2"SAE72 51-127 5"SAE80 64-140 5-1/2"SAE88 130-152 6"SAE104 105-178 7"
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