Knight Customs SCX10 Rear Inner Fenders are a direct fit on the Axial 4 door Jeep Wrangler Unlimited JK body when used on the SCX10 or SCX10 II trucks. They mount to the inside of the body using the stock screws. The fenders come as a pair and are 3D Printed in Shapeways "Black Strong & Flexible" Black nylon plastic. This material has a matte finish and slight grainy feel.