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Clean edges make for clean paint jobs. This set of three diamond files makes short work of mould lines, flash and rough edges on plastic, resin and metal, and preps mating surfaces so your glue joints actually hold.

Why it’s good

• Different profiles for flat faces and awkward corners
• Diamond grit cuts cleanly and lasts
• Essential prep for a tidy finish

Five minutes with a file before you prime saves a mould line showing through three coats of paint later.

The prep tools that make everything else look better. Prep your parts, then bond them with plastic glue for a tidy assembly.