The Model 101R is the ratcheting surface nailer. The 101R is easier to use and allows the user to strike the nailer one or more times to set the nail. Recommended for use on 1/2", 5/8", 3/4" and 33/32" Tongue and Groove flooring.
The Model 45 is a manual, single-blow nailer which use 16 gage cleats to install Tongue & Groove flooring.
The Model 45 is recommended for use on board sizes of 5/8", 3/4" and 33/32" Tongue and Groove flooring.
Nailer package includes White 5mi Mallet, an extra driving blade, plunger spring, feeder spring, blade retainer and 8/25 adapter plate for installing 3/4" & 22mm Tongue and Groove Flooring. (BLACK GUN)
The Powernail 50P Flex is recommended for use on 3/8", 1/2" and 5/8" Tongue and Groove flooring as well as some 3/4" exotics, bamboo, engineered and other solid wood flooring. (RED GUN)