1.material: aluminum 2.tooth type: T2.5 3.pitch:2.5mm 4.flange:double 5.widht:6mm Introductiontooth type:T2.5tooth number ... many years. You can trust us. TypePitch HTD3mm,5mm,8mm,14mm,20mm STPD/STS-S2mm,3mm,4.5mm,5mm,8mm MXL ... ,XL,L2.032mm,5.08mm,9.525mm T2.5mm,5mm,10mm,20mm CONTACT: Deana ...