Product Description: 10 most complete sizes: Enough to meet your needs. made of 304 stainless steel, with excellent rust resistance feature, holding strongly and lastingly Ideal for a variety of securing tasks such as retention of machinery, automotive, gear shafts, bearings, pulleys, and more. Save time and money at hardware store and repair shops. Each size is neatly put in its individually compartment in a transparent storage case, easy to get the size you need. Specifications: Color: Silver Tone Material: 304 Stainless Steel Size: 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm Package includes: Total 120 pcs 12PCS - 1.5mm - M1.5 12PCS - 2mm - M2 12PCS - 3mm - M3 12PCS - 4mm - M4 12PCS - 5mm - M5 12PCS - 6mm - M6 12PCS - 7mm - M7 12PCS - 8mm - M8 12PCS - 9mm - M9 12PCS - 10mm - M10 Cautions: This product contains small parts, please keep away from children under 5 years.