I have the follwoing in my kit
1 Fluke 116 Multimeter, with magnetic boot
2 Testo Digital Manometer
3 Regin U guage Manometer
4 Rothernberger 12" Pump Pliers (x2)
5 Cresent 48" Pump Pliers (x2)
4 Rothernberger 7" Pump Pliers (handy for tiny spaces)
6 Snap On Set Spanners (tiny to HUGE)
7 Imperial Allen Keys
8 Metitc Allen Keys (only ever really use 2mm, 2.5mm and 4mm)
9 Anton Sprint 2000 analyser
10 Rothernberg 22mm and 15mm Pipe Slices
11 Monument 28mm Pipeslice (handy for tight spots but you need forearms like arnie to turn em
)
12 Rothenberger Plastic Pipe Cutters ( the biggies hand for push fit and waste pipe)
13 Stopcock Key (four in one jobbie)
14 Pointing trowel
15 Rothenberger Handy Benders
16 Rothenberger Electric freezing kit (bit of a luxury as I have only used it a few times but thank god i had for those few times
)
17 Immersion Heater Spanner
18 Basin Wrench
19 Rothenberger extendable tap spanner
20 loads of screwdrivers
21 CK side cutters
22 CK wire strippers
21 CK electric screwdrivers
22 A neon screwdriver ( I know its naughty but what are you gonna do
)
23 Megger Tester
24 Testo Differential thermometer
23 Test Infrared Thermometer
24 Monument Drain rods
25 stilsons VERY large
26 Foot prints As above
27 Rubber mallet
28 Ballpin hammer
29 Club Hammer
30 Makita 18v cordless
31 Makita heavy duty drill
32 Set on diamond core drills (cheap ones from Plumb centre used shed loads and they are still going strong)
And loads of other stuff but my fingers hurt now
good luck matey