Use only those tools that are intended to be used to operate the machine.
Pentruder wall saws (except 6-12HF)
Ratchet 1/2"
Socket 1/2" - 19 mm
Allen socket 1/2" 8mm x 90
T-key 8mm x 100.
Pentruder 6-12HF wall saw
Ratchet 1/2"
Socket 1/2" - 19 mm
Allen socket 1/2" 8mm x 90
T-key 8mm x 100.
Ratchet 3/8" 6 - 12 HF
Allen socket 3/8" 8mm 6-12HF

Tools for Pentruder 6-12HF
Pentruder 3P8 wire saw
Ratchet 1/2"
Knuckle bar 400 mm 1/2"
Extension 1/2", L=250 mm
Socket 1/2", 19 mm
Allen socket 1/2", 8 mm x 90
Allen key 6 mm
Allen socket 1/2", 14 mm
T-key 8mm x 100.