Drive size comes first because it fixes the sockets the wrench will take, and the range here runs 1/4 inch through to 1-1/2 inch with a 5-spline option beyond that. The 1/2 inch drive carries 55 of the 143 lines, which is where most bay work sits, with 1 inch and 3/4 inch behind it for heavier fasteners.
Maximum torque is the headline figure but it has to be read against the air supply. A wrench rated well above what the compressor delivers will never reach that figure in use, and will feel weaker than a smaller tool properly fed. The torque filter here runs to 5500Nm with Sealey tools stated to 2100Nm, and consumption is given per wrench so it can be matched to the machine. A wrench is also judged on how it behaves at low pressure, since a bay supply drops as soon as a second tool is opened on the same line.
Body form decides access rather than power. A pistol grip is the default and covers 28 of the lines. A D-handle steadies a heavy wrench in two hands. Stubby and super stubby bodies shorten the tool where there is no room behind the fastener, and an extended anvil reaches past a deep wheel rim or a recessed nut. Body forms run pistol on 28 lines and D-handle on nine, with the stubby and extended anvil variants filling the access cases between them.
Twin hammer mechanisms sit across the Sealey GSA and SA ranges and the PCL Prestige, TURBO and Hercules lines, delivering torque in two blows per revolution rather than one. Cordless 20V wrenches are seated on the same leaf for the same jobs without a hose. Anything unresolved goes over WhatsApp on 07754288583 with the compressor plate and the fastener size.
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