Features:

Multi-specifications, wide application range, using high hardness 45 # steel, hardness, compact and portable.

Specification:

Size: 5-17mm/0.19-0.66''

Length: 140mm/5.51''

Width: 50mm/1.96''

Thickness: 3mm/0.11''

The opening at both ends is 13mm and 15mm respectively.

Internal hole size: 8, 9, 10, 12, 13, 15, 16, 17 mm

Material: 45 # Galvanized Steel

Weight: 60g

Package includes: 

2x Porous Hex Wrench