We believe they are hose Clamp pliers??.
SNAP ON VINTAGE VACUUM GRIP No.208 ANGLE NOSE PLIERS BATTERY TERMINAL HOSE CLAMP
Vintage Vacuum Grip Cutters Pliers USA Newport PA No 197 - 7 Inch
Vintage Vacuum Grip USA 13" Brake Spring Pliers No 31
VINTAGE SNAP-ON Vacuum Grip No. 137 Slip Joint Cutting Pliers
Vacuum Grip No. 49 Slip Joint Pliers Vintage Made In Newport Pennsylvania USA 9"
Vtg Vacuum Grip no. 31 Snap-on Brake Spring Pliers PAT 3-8-21 Forged steel USA
