Description

Precision-engineered small hole gauge with heat-treated steel construction for lasting durability. Telescopic design spans 3mm to 13mm measuring range, accommodating various hole and slit sizes. Simple adjustment mechanism suits both professionals and DIY users. Pairs seamlessly with micrometers or calipers for exact measurements. 

Product Specifications: 1pc 10-13mm, 1pc 7.5-10mm, 1pc 5-7.5mm , 1pc 3-5mm.