I bought one to undo the tranny cooler line at the tranny. There's precious little room there to swing a wrench handle.

I ended up doing most of that work with a regular open-end wrench whose handle I cut short with a hand grinder and cutoff wheel (like a Dremel). The short handled wrench did a good job.
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Sven: '89 245 NA, 951 ECU, expanded air dam to 7" from ground, forward belly pan reaches oem belly pan, open-front airbox, E-fan, 205/65-15's, IPD sways, E-Codes, amber front corner reflectors, quad horns, tach, small clock. Wifemobile '89 245 NA stock.