Specifications Material: 45#Steel Color: Silver Process: Polish and Chrome-plate Quantity: 6 Packing Size: 25*20*7cm/10*8*3in Product Size: 8x10 mm/0.31x3.93in: Round Head Thickness: 7mm/0.27in; 8mm/0.31in Round Head Outer Width: 18mm/0.7in; 18mm/0.7in Total Length 13.9cm/5.47in 9x11 mm/0.35*0.43in: Round Head Thickness: 8mm/0.31in; 9mm/0.35in Round Head Outer Width: 21mm/0.82in; 23mm/0.9in Total Length 16.3cm/6.41in 12x14 mm/0.47*0.55in: Round Head Thickness: 9mm/0.35in; 10mm/3.93in Round Head Outer Width: 25mm/0.98in; 28mm/1.1in Total Length 18.8cm/7.4in 13x15 mm/0.51*0.59in: Round Head Thickness: 9mm/0.35in; 10mm/3.93in Round Head Outer Width: 27mm/1.06in; 31mm/1.22in Total Length 20.1cm/7.91in 16x18 mm/0.62*0.7in: Round Head Thickness: 11mm/0.43in; 11mm/0.43in.
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