• Detachable 214-IN-1 Thread Checker KIT：70 thread gauges (37 Blue SAE / 33 Red Metric) + 144 drill gauges; pull-out individual thread gauges fit tight engine bays & tight spaces, and outperforms chain-type or fixed board-type detectors
• Precision and Durable Thread Gauges: CNC-machined aluminum construction resists wear; SAE meets ANSI B1.1 2A/2B, Metric complies with ISO 68-1 6G/6H; laser-engraved markings stay clear for accurate Go/No-Go checks every time
• 144 Hole Drill Bit Gauge Set：Covers 144 drill bit size gauges,118 imperial sizes (#60–#1, A-Z, 1/64"–1/2") + 26 metric gauges (1mm–14mm); quick identification for worn unmarked drill bits
• 37 Standard Thread Sizes (Blue): 1-8、1-1/12、7/8-14、7/8-9、3/4-16、3/4-10、5/8-18、5/8-11、9/16-20、9/16-18、9/16-12、1/2-20、1/2-13、7/16-24、7/16-20、7/16-14、3/8-24、3/8-16、5/16-24、5/16-18、1/4-28、1/4-20、12-28、12-24、10-32、10-24、8-32、8-36、6-40、6-32、5-40、4-48、4-40、3-56、3-48、2-64、2-56
• 33 Metric Thread Sizes (Red): M24×3.0、M24×2.0、M22×2.5、M22×1.5、M20×2.5、M20×1.5、M18×2.5、M18×1.5、M16×2.0、M16×1.5、M14×2、M14×1.5、M12×1.75、M12×1.5、M12×1.25、M12×1.0、M11×1.5、M11×1.25、M11×1.1、M10×1.5、M10×1.25、M10×1.0、M9×1.25、M8×1.25、M8×1.0、M7×1.0、M6×1.0、M5×0.8、M4×0.7、M3.5×0.6、M3×0.5、M2.5×0.45、M2×0.4
• Versatile For All Users：Premium bolt size finder, great gift for Father’s Day & Christmas; ideal for mechanics, contractors, machinists & DIY hobbyists for auto repair, plumbing, HVAC, workshop & household fastening projects