Description Pre-cut armor panels for the FingerTech Viper Spinner Add-On Material: Polycarbonate Thickness: top 1.6mm (0.63in), front 3mm (0.12in) thick View more Links PDF File Specifications Top material: Polycarbonate, 1.6mm (0.63in) thick Front material: Polycarbonate, 3mm (0.12in) thick Top weight: 24grams (0.85oz) Front weight: 24grams (0.85oz)