FastenMaster FMHLGM412-250 HeadLOK Structural Wood Screw, 4-1/2", 250-Piece In Stock Can accommodate an unlimited length

Can accommodate an unlimited length of rope

Replicates the hydraulics

and a heavy base to reduce tipping

An adjustable overflow tube maximizes toilet performance by matching the overflow tube height with the OEM specification

5 gpm flow restrictor

FastenMaster FMHLGM412-250 HeadLOK Structural Wood Screw, 4-1/2", 250-Piece In Stock Can accommodate an unlimited lengthHeadLOK is a heavy duty structural wood screw that is ideal for many wood applications including deck framing, stair stringers, attaching rigid foam (SIPs), fences, kitchen cabinets and more. The HeadLOK flat head fastener requires no predrilling and offers higher design shear than 3 8" lag screws. The SpiderDrive System contains 8 points of contact, maximizing bit fit and reducing stripping. HeadLOK zips right in and creates a great finished look.