Sound dba (pressure / power): 87

Internally

Flow Capacity: 132 SCFM

Studs are 8 3/4in on center with 1 /2in hub backplate thickness

ESCO Jack Plate with Rope Handle

Amermac Series 80 Backing Plate - S080-BP Fuel & Lubrication_Tool Sound dba (pressure / power):Looking for an easy and efficient way to True medium to large truck tires? The Series 80 Backing Plate, S080 BP, is one of the adapters required! This setup includes an H Series adapter, backup plate, and wingnut is easy to use and will get the job done quickly and efficiently. Specs: Weight: 6 lbs Qty: Each Use With: HBP001 Backing Plate S080 WN Wing Nut H Plates: HHD001, HHD002, HHD004 Application: Medium Truck Heavy Truck Truer 711 1200R