uxcell 10Pcs 80/20 Inc T-Slot Hardware 40 Series M8 Slide In T-Nut Product Name : T Solt Nut;Thread Diameter : 8mm/0.31" Slot Width : 8mm;Total Size : 20 x 20 x 9.6mm/0.9" x 0.8" x 0.37"(L*W*T) Material : Carbon Steel;Color : Copper Tone Weight : 168g Package Content : 10Pcs x T Solt Nut