Maytronics US Inc, Dolphin(TM), Screw - Ka50x16, For use with: DoLDiag Advantage 115v Pvc, Deluxe 115v Pvc, 3001+caddy, 2002+caddy 115v Pvc, Heavy Duty 115v Pvc, & 115v Cb 2013, Enduro: 11r+Caddy Cb & 21r+ Caddy-Pvc, Pro, Pro X2 115v Cb, DoLDiag Commander 115v Pvc, Sprite Diag. 115v, DoLDiag Interactive 115v, Scp+Rc 115v, Advantage: +remote Control, Plus, Rc Plus, Plus Pro Rc Cb 2013, & +caddy Swv Cb 2013, DoLDiag-Explorer, Wave: 200, 300, 100 Cb,5 0 115v Cb, DoL Dyn Dx5 Plus 115v, Dx 5 Battery, Deluxe CL1, Prox Battery, Prox 2 Blue 115v, 3001+caddy Blue, Supreme M3 115v Cb Us, Dx3 115v Cb, Dyn 2002 W Cddy 115v Pvc, 2x2 Gyro, 3001 115v Cb Bl 2013, Pro X2 115v Cb2013, 2x2 115v cb 2013, Saturn, Evoloution XS, 2x2 C6 Plus 115 Cb, C5 Cb, S50, Active10, M200, Nautilus Cc Plus, Echo, M1c Saturn, Cayman, M1ag Generic E10, & Escape