Simpson Strong-Tie Quik Drive No. 9 X 1-3/4 in. L Lobe Yellow Zinc Collated Subfloor Screws 1 pk 564 while the twisted shape allows

while the twisted shape allows for level cutting

Recommended Bulb Type: GU10

the built in grooves on the bottom help it nest perfectly with another just like it

Inlet: 4 in

Simpson Strong-Tie Quik Drive No. 9 X 1-3/4 in. L Lobe Yellow Zinc Collated Subfloor Screws 1 pk 564 while the twisted shape allowsSimpson Strong Tie has re engineered its popular subfloor screw to reduce driving force and increase installation speed. The new Strong Drive WSV Subfloor screw has been developed for fastening subfloor sheathing using the Quik Drive auto feed screw driving system. Brand Name: Simpson Strong Tie Sub Brand: Quik Drive Callout Size: No. 9 Length: 1 3 4 in. Drive Style: Lobe Finish: Yellow Zinc Product Type: Collated Subfloor Screws Number in Package: 1