Dave Bonta takes an ordinary workshop tool and treats it with the grand seriousness of an ode. The speaker plainly admires the socket wrench, ranking it above all power tools and listing its virtues like a proud fan: it is accommodating, solid, good at handling torque. The tone is affectionate and a little playful, since praising a wrench this way is slightly absurd.
Then the poem shifts. The wrench's ratchet lets it turn fully round through only a small movement, and the speaker imagines that "time could turn / in either direction" with the click of a lever. The line "the past screwed down / the future loose" is the heart of it: the past is fastened tight, while the future stays open and unfixed. The mood is quietly reflective. By ending on the plain mechanical detail of the spring-loaded finger clicking against the gearwheel's teeth, the poem keeps its feet on the workbench while hinting at something larger about time.