Tamiya 4WD Mini Racer stainless steel screw set, 24 pieces, sizes 15/20/25/30mm. Purchased on December 24th for uses other than Mini 4WD, but they didn't work as intended. Rather than throwing them away, I'd like to give them to someone who needs them for the cost of shipping. - Quantity: 15mm 4 pieces (1 used) 20mm 4 pieces (1 used) 25mm 8 pieces (unused) 30mm 8 pieces (unused) - Material: Stainless steel Thank you for looking.