Crack Width Gauge

Model: HM-636
Price: $21.00

HM-636 Crack Width Gauge measures width and length of cracks in concrete structures and pavements, as well as other structural materials like plaster or drywall. The durable clear polycarbonate gauge is scaled on one side with black marks for direct comparative measurement of cracks from 0.1 to 7mm (0.004 to 0.275in) wide. The opposite side is marked in clear 1mm graduations up to 165mm (6.5in) and is easy to use for width or length measurements of cracks, even in tight corners. The width gauge is available separately or as a component of Gilson’s Crack Monitor Kits. Supplied with a protective plastic sleeve. Dimensions are 6.5x1.25in (165x32mm) LxW.


  • Made of clear polycarbonate
  • Clearly marked graduations in mm
  • Markings on two long edges
  • Easily measures in tighter areas

Included Items:

  • Crack Width Gauge
  • Plastic Carrying Sleeve
Product Dimensions 6.5 x 1.25in (165 x 32mm) L x W
Estimated Shipping Weight 0.5lbs (0.23kg)

Enter your name, email, and questions below and we will reply during business hours (8am - 5pm EST, Monday through Friday).

Product Dimensions 6.5 x 1.25in (165 x 32mm) L x W
Estimated Shipping Weight 0.5lbs (0.23kg)
Customers who purchased this item also purchased
Standard Crack Monitor
Model: HM-637
Crack Monitor Plus
Model: HM-634
Corner Adapter
Model: HM-635
Economy Crack Comparator
Model: HM-639
Displacement Monitor
Model: HM-638
Slump Cone, Base and Rod Set
Model: HM-40
Concrete Cylinder Transport Racks
Models: HM-114, HM-116
Deluxe Slump Test Set
Model: HM-401
Plastic Concrete Cylinder Molds, Single-Use
Models: HM-151, HM-151D, HM-152, HM-152D, HM-153, HM-154