Rock-On No. 9 X 2-1/4 in. L Star Flat Head Cement Board Screws 100 pk WOOD PUTTY/DOUGH Constructed of hardened carbon steel

Constructed of hardened carbon steel for greater strength and added durability

Plant-tone's natural organics break down gradually

Starter punch used for driving pins or bolts from

Universal adjustable front to back tube burner

Projection: 15/32-inch

Rock-On No. 9 X 2-1/4 in. L Star Flat Head Cement Board Screws 100 pk WOOD PUTTY/DOUGH Constructed of hardened carbon steelRock On Cement Board Screws are designed for attaching Durock, Wonderboard or equivalent glass mesh cement backerboard to wood or light gauge steel studs. Rock On's patented serrated head design countersinks for flush seating at any angle, providing a smooth surface for tile. The Star drive recess with T 25 bit provides Stikfit for one handed installation. Rock On screws feature a Climacoat corrosion resistant finish that prevents rust from bleeding