The Model 50M is recommended for use on 3/8”(9mm), 1/2″(13mm), and 5/8”(16mm) Tongue and groove flooring as well as some 3/4″(19 mm) exotic and solid wood flooring. The nailer package includes a white 3MI mallet, 2 adapter pads, 4 shims, user manual, blade retainer, plunger spring, extra driving blade, and 2 Allen wrenches.