Fujiya Kurokin FLS-53-BG Adjustable Wrench 185mm

The teeth feature a unique design so as to not damage bolts.
The blade is thin and these are light, however, it's powerful enough to have cleared the Strength Class of the Japanese Industrial Standards.
Shorter style for easy rotation in narrow locations.

Size 185mm
Weight 398g
Max Opening 53mm
Dimensions
A=185mm
B=6.4mm
C=19mm
D=8.4mm