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Master Your Trim Work Like a Pro – Effortlessly.

Stop struggling with uneven gaps and messy measurements. The Trim45 is the ultimate 4-in-1 tool designed to give you perfect 1/4" reveals every single time

Built for Accurate Trim Installation

Trim45 allows you to quickly measure jamb openings, determine trim length, and mark precise 45° miter cuts — all with one tool. Its adjustable reveal feature ensures consistent spacing for professional-looking results on every casing installation.

Key Features

• Adjustable Reveal Control
  Set reveals from 1/8" to 1/2" in 1/8" increments for consistent, repeatable trim spacing.

• Your "Third Hand"
  Integrated tape measure slots and rare-earth magnets hold the tool securely in place while measuring jamb openings and trim stock.

• Precision Miter Marking
  Built-in 45° angled head provides accurate reference lines for clean, tight miter cuts.

• Clamp-Ready Design
  Features a built-in clamp pad compatible with any standard clamp for stable marking and measuring.

• Faster, Cleaner Workflow
  Reduces measuring errors, re-cuts, and wasted material — ideal for both professionals and serious DIYers.

How It Works - 3 Simple Steps

①Position: Place the tool against the door or window jamb.

②Mark: Use the built-in 1/4" offset to mark your lines with a pencil.

③Secure: Align your trim to the marks and nail it down. It’s that easy.

Why Choose Trim45

Trim45 replaces multiple steps and tools with one precise, easy-to-use solution. Whether you're installing a single door or trimming out an entire house, it delivers consistent accuracy, faster setup, and cleaner results — cut after cut.