Paper Press Set: Comes with the blade holder, the paper press wheel, and the matching support wheel. These rollers grip and guide the sheet so it feeds straight. Fixs Slipping & Skew: Worn rollers can cause the paper to drift, slip, or misalign. Fresh rollers restore smooth, accurate feeding. Keep The Machine, Just Refresh The Blade: No need to buy a creasing machine. This replacement assembly lets you restore performance and keep production going. Installation Overview: Blade Holder--Loosen the screws on the back side of the holder, swap in the one. Blade--Loosen the black screw on the holder to release the old blade and insert the blade. Support Wheel--Loosen the shaft screws on both side plates of the machine, pull out the shaft, and install the support piece. Accessory Only: This is a replacement blade kit, not a full creasing machine. "Product Description The Feed Roller Support Kit replaces the paper feed / pressure roller assembly on common 18"" electric creasing machines. What's included: Blade Holder*1; Paper Press Wheel*1; Paper Press Support Wheel*1. Universal installation method: Holder Replacement: Loosen the screws on the back side of the holder to install the holder. Blade Replacement: Loosen the black screw on the holder, take off the worn blade, insert the blade, and re-tighten. Support Replacement: Loosen the shaft screws from both machine side plates, pull out the shaft, slide off the old support wheel, slide on the one, then reinstall the shaft and tighten. This is a replacement accessory, not the full electric creasing machine. " Color: As Shown Material: Metal Package Contents: 1 pcs * paperpress wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.