#9 x 2-1/2" Quik Drive WSV Subfloor Collated Screws, Yellow Zinc, Pkg 750 Metal-to-Metal Self-Drilling Screws Flexible design: #5 Roofjack size

Flexible design: #5 Roofjack size fits pipe sizes from 4" - 8-1/4"

This product has been designed to accommodate the full range of sizes for the epoxy-coated and stainless steel screws

6-Lobe Drive System – Ensures secure bit engagement for smooth installation and long bit life

Versatile Application: Intended for use with Rough Cut 4x4 lumber with a slotted base for adjustable installation

Easy Installation: Compatible with standard anchoring hardware (sold separately)

#9 x 2-1/2" Quik Drive WSV Subfloor Collated Screws, Yellow Zinc, Pkg 750 Metal-to-Metal Self-Drilling Screws Flexible design: #5 Roofjack sizeStrong Tie Quik Drive collated WSV screws are ideal for securely fastening subfloor quickly and accurately while eliminating squeaking floors associated with nails. These Yellow Zinc Chromate finished screws require less driving force than standard subfloor screws, and increase the installation speed up to 20%, allowing for quicker jobs with less wear and tear on tools and users. Designed for use with these Quik Drive Attachments PRO250 PRO300S