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The MITUTOYO 184-313S is a 28-piece feeler gage set covering a measurement range of 0.05 to 1mm, designed for precise gap and clearance measurement in mechanical and HVAC service applications. Each tapered leaf is manufactured from tempered steel, providing durability and consistent flex over repeated use. Leaves measure 100mm in length and 13mm in width, offering enough reach for most standard service points. This set is a standard tool for licensed technicians who need reliable feeler gages for valve clearance, igniter gap, burner orifice alignment, and similar precision tasks.
The 184-313S is well suited for use in residential and light commercial mechanical service environments. Technicians working on gas appliances, HVAC equipment, compressors, or any application requiring precise gap verification will find the 28-leaf range comprehensive for common clearance specifications. The tapered leaf profile aids insertion into tight or restricted service points without forcing or deforming the blade.
Designed as a general-purpose feeler gage set suitable for mechanical, HVAC, and plumbing service applications requiring gap measurement in the 0.05 to 1mm range.
Feeler gages are a hand measurement tool and require no installation. Store blades clean and lightly oiled to prevent surface oxidation. Do not force a blade into a gap narrower than its rated thickness, as this can permanently bend the leaf. Replace any blade that shows visible distortion or pitting, as dimensional accuracy cannot be assured on damaged leaves.
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