About this item This fits your . Make sure this fits by entering your model number. 【Knee Pads with Wheels】Universal Pulley Knee Protection Pad: Universal pulley knee protector adopts integrated injection molding process.each knee protector has three detachable universal pulleys. 【Material】Made of fine quality Plastic and metal material with strong durability and strong load capacity, long sercive life. 【Easy to Use】With the push of a button, you can go from Knee Blade to knee pad. 【Wide Use】Installing tile, wood floors, carpeting, concrete & masonry work, painting low places, construction work, auto detailing & maintenance, stocking shelves and gardening. 【Size】29.5*22*8.8cm.