Simpson Strong-Drive® SDS HEAVY-DUTY CONNECTOR Screw Splash Blocks & Downspout Extenders Features a unique snap track

Features a unique snap track for easy installation

ASTM F1960

No chemical additives or fillers

ergonomic design maximizes control & minimizes stress on your arms

Push the handle and the twister brush does the work for you

Simpson Strong-Drive® SDS HEAVY-DUTY CONNECTOR Screw Splash Blocks & Downspout Extenders Features a unique snap trackThe Simpson Strong Tie Strong Drive SDS Heavy Duty Connector screw is a 0. 250" diameter high strength structural wood screw ideal for various connector installations as well as wood to wood and engineered wood applications. It installs with no predrilling and has been extensively tested in various applications. The SDS is improved with an easy driving Type 17 point and a corrosion resistant double barrier coating. The SDS Strong Drive 1 4" wood screw