Martin Tools 0471 Adjustable Pin Spanner Wrench Shop By Category > Engine > Oil>Oil Pressure Gauges self-locking on pipes and nuts:

self-locking on pipes and nuts: no slipping on the workpiece and low hand force required

Comparable to Factory tool numbers 9336 & 9336A

1-1/2"-18 Plug Special Tap Decimal Equivalent: 1

This means that the brass insert is a permanent part of the strain relief

Martin Tools 0471 Adjustable Pin Spanner Wrench Shop By Category > Engine > Oil>Oil Pressure Gauges self-locking on pipes and nuts:Martin Tools 0471 Adjustable Pin Spanner Wrench, 3 4" to 2" Capacity, 1 8" Pin Diameter Adjustable Pin Spanner wrenches are drop forged steel handles and have steel jaws. These wrenches are available in maximum capacity ranges from 2 through 6 1 4, with pin diameters of , 9 32 and 5 16. They are available in an Industrial Black finish. These wrenches cover several nut sizes. The pins fit into the holes or slots on the side of the flange or collar.