Trumbull Double Side Ratchet Wrenches for Waterworks Fittings - 3 sizesTrumbull Manufacturing Double Socket Waterworks Ratchet Wrench for Waterworks Mechanical Joint Fittings, Flange Bolts, Meters, Repair Clamps, Couplings etc. Double Side Wrench Blue 1 1 4 x 1 1 16 wrench Green 1 1 8" x 15 16" Yellow 7 8" x 3 4" Large Socket Typical Uses: 4 thru 24 MJ Fittings., 3 4 Hex Bolts with Heavy Hex, 2" and larger meter flange bolts. Small Socket Typical Uses: 3 MJ Fittings, Cast Couplings, Clamps, Tapping Sleeves 5 8" Heavy Hex