Stainless Steel Hose Clamp for Vacuum Hose
Meet with SAE J 1508 standard
TYPE F 1/2" Perforated Band
5/16" Hex Head Slotted Screw
Band and Housing made from 301 Stainless Steel
Screw made from 410 Stainless Steel
Clamps 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"