Pair of screws for use with K540M G9 lamp holder and RWSL073 lamp holder cap. 17mm M3 self tapping pan head screw.   The listing is for the screw only. The second image shows the assembled item for illustrative purposes.

E27 Lamp Holder Shade Ring / Black / PET Plastic / Internal Diameter 38mm / K327-RING-1.

Lamp Holder Shade Ring / 31mm Outer Diameter (with Ledge 35mm) / Internal Diameter 28 x 2mm / Height 8.6mm / Zinc Alloy / For Use with K512P03 Lamp Holders and Others / RWQT039.

A 3 pole / 3 way screw terminal terminal block suitable for domestic lighting circuits. Suitable for wire sizes of 0.75mm to 2.5mm. Nylon 6/6 material. Carrying VDE and CE approvals / certification. RoHS compliant.