1-1/2" Sheet Metal Holcutter Quad Lead 1/8" DOC 14248 23218CAMKE4C3S11 NSK as well as TSP's fabricated

as well as TSP's fabricated high-capacity pans

47mm Single Ring

TSP Velocity fuel injectors are made in the USA

Fitted as standard

1-1/2" Sheet Metal Holcutter Quad Lead 1/8" DOC 14248 23218CAMKE4C3S11 NSK as well as TSP's fabricatedThe Holcutters, are not hole saws. They're precision ground, heat treated tools that easily cut thru the stock rather than ripping, tearing, and pushing thru as do typical hole saws. They can produce holes three times faster and cleaner than hole saws in sheet metal and have dramatically extended tool life too. All sizes have a "shoulder" to prevent plunge thru, which is especially useful when drilling into live electrical boxes. See for yourself why