TimberTech CONCEALoc 1.625 in Matte Brown Hidden Deck Fastener 100 sq ft (175 Pack) Carbon Marine Cabinet including reinforced and internal options including reinforced and internal options for versatile utility it includes a 12 in 625 Length Unit of Measurement Inches Screw Thickness #8 Clips Included Yes Drive Type Star Driver Bit Included No For Use with Composite Decking Yes For Use with PVC Decking Yes For Use with PVC Trim No Head Style Flat Material Stainless steel Number of Clips Included 175 Number of Plugs Included 0 Number of Screws Included 184 Package Quantity 175 Plugs Included Yes Screws Included Yes Warranty 25 year limited Board Edge Compatibility Grooved CA Residents: Prop 65 Warning(s) No UNSPSC 31162400 Frequently Asked Questions (FAQ): Q: Are these fasteners compatible with all TimberTech decking lines