GRK 15105 Exterior RT Composite Self-Tapping Trim Screw, #9 x 3-1/8", 1900-Count GiftItems The base has molded-in centering

The base has molded-in centering rings

Use in between coats to smooth surface

Slot-n-Dot strap connections

Keyed Alike - same key opens all four locks

GRK 15105 Exterior RT Composite Self-Tapping Trim Screw, #9 x 3-1/8", 1900-Count GiftItems The base has molded-in centeringGRK's Trim Head screws are an excellent choice for most fine carpentry applications, as well as window extension jambs and more. The Trim Head screws have the smallest screw head available; with screw lengths of 3 1 8". Most material splitting is prevented because of the Trim Head screw's exceptionally small head and the W Cut thread design. 1900 count Recessed star drive zero stripping, with 6 points of contact Trim head for a clean finished look