With female thread, different spraying directions for environmentally friendly cleaning of blocked drains & pipes. Nozzles are positioned so that the nozzle pulls itself and the hose into the pipe . 3 x 30° backwards facing nozzles. 30mm Diameter by 50mm Length.Suitable for commercial HD & HDS machines shown below:Cold Water Pressure WashersHD 6/13 C PlusHD 6/12-4 C PlusHD 6/13 CX PlusHD 7/18 CX PlusHD 6/13-4 M PlusHD 7/18-4 M PlusHD 9/20-4 MX PlusHot Water & Steam Pressure WashersHDS 5/11 UHDS 5/11 UXHDS 550 C EcoHDS 551 C EcoHDS 601 C EcoHDS 7/9-4 MHDS 7/10-4 MXPetrol / Diesel Pressure WashersHD 830 BSHD 728 B CageHD 801 B CageHD 1040 B CageHD 1050 B CageHD 1050 DE CageHD 8/24 PBHDS 801 BHDS 801 DHDS 13/35 PE