Rainbow Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Genuine Rainbow Screw, Size 5 X .5" - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. This screw is used to connect: Electric Hose Handle Assembly D4SE Series Power Nozzle Upright Lock Clip D4SE Series AquaMate Handle Assembly for D4SE Series Cord Caddy Ears for E and E2 Series Electric Hose Coupling for E and E2 Series AquaMate Handle Assembly for E Series