Senco SHF15 Manual Hardwood Flooring Nailer The SENCO? SHF15's ratchet system gives do-it-yourself rentalnovice and professional floor installers a multiple-hit tool with amplepower to set nails. Nails not fully driven by the first blow remainpositively positioned for additional strikes. It has a rugged compositebase that virtually eliminates scratching and damage to the surface ofboth unfinished and prefinished wood. And at only 7.6 lb the SHF15 isergonomically designed with the hardwood installer in mind.? Mallet-actuated firing simultaneously sets floor boards (tongue intogroove) and drives cleat nails at an ideal 45?angle? Unlike staples cleat nails minimize wood splitting and still allow forexpansion and contraction of flooring materials.? Easy-to-use ratchet drive system allows cleats to be driven withmultiple blows? Lightweight - only 7.6 lb? Composite base reduces scratching and surface damage? Mallet actuated (mallet included)? Ergonomically designed for improved productivity