Pentair 354541 Slotted Hex Pan Head Screw Replacement Pool/Spa Pump and Valve Slotted hex pan head screw replacement Fits Pentair Sta-Rite Dynamo aboveground swimming pool pumps Also fits Pentair Six-way 1-1/2-inch HiFlow multiport valves Measures 10-24 by 1-1/2-inch