HELIFOUNER 420 PCS M2 M3 M4 M5 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts Assortment Kit auspowers_batchone bath tub to test the

bath tub to test the levels of Ph value

Supporting used with straight grinder

Ocim (2 Pcs) 10X Magnifying Glass

soft steel and copper wire up to 3/32

HELIFOUNER 420 PCS M2 M3 M4 M5 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts Assortment Kit auspowers_batchone bath tub to test theHELIFOUNER 420 PCS M2 M3 M4 M5 Female Thread Knurled Nuts Brass Threaded Insert Embedment Nuts Assortment Kit Specifications: Material: Brass Color: Brass Tone Quantity: 420 Pieces Nut type: Knurled nut Height: 4mm, 6mm, 8mm, 10mm Inner diameter: 2mm, 3mm, 4mm and 5mm Outer diameter: 3. 5mm, 5mm, 6mm and 7mm Features: 1, Premium brass material, heat resistant, wear resistant, acid resistant rust proof, anti corrosive and non toxic, high hardness for