直尺導軌

Used it on a 4-foot sheet of plywood this weekend and the cuts came out dead straight, even with my shaky hands. The aluminum rail stays put once you clamp it down, and the retractable cutline makes lining everything up take seconds instead of fiddling around.

The retractable cutline is a lifesaver—I can see exactly where the blade lands without squinting or marking twice. The aluminum rail stays flat on the plywood and my 4-foot crosscuts came out dead straight, no splintering.

Finally a guide that actually handles full 4x8 sheets without me having to rig up clamps and a chalk line. The aluminum rail feels sturdy and the cutline stays perfectly visible even in my dim garage lighting. Made ripping down plywood for a shelving project noticeably faster and straighter than my