SOLD BY BOX Uni-Pro 100mm (4 inch) Mini Slide On Roller Frame Navigate tight corners, tight alcoves, and complex trim work effortlessly with the UNi-PRO 100mm Mini Slide-On Micro Roller Frame Range. These trade-quality mini frames are custom-engineered to provide smooth rolling precision across tight architectural layouts where standard rollers simply won't fit. Constructed with a heavy-duty, zinc-plated steel rod, these frames feature a standard slide-on core designed to pair with micro roller covers—including high-density foam, microfibre fabric, and fine mohair slips. Outfitted with an ergonomic comfort plastic handle, the base contains universal internal threads, allowing you to screw the frame onto standard trade extension poles for an extended reach. Available in two distinct length profiles, this fleet is the ultimate choice for coating cabinets, furniture, window frames, piping, and small touch-up areas. Model Part Configuration Style Frame Reach Length Primary Target Application HBC5 Standard Slide-on 300 mm (12 in) Close-up cabinetry, doors, shelves, tabletop furniture updates, and localized touch-ups. HBC4 Long Reach Side-on 400 mm (16 in) Reaching deep inside closets, painting behind radiators, tight stairwell borders, and high trim corners.