Engineered and Designed With the User in Mind - The Knee-Pro Ultra Flex is virtually indestructible. Multi functional - Carpentry, Construction, Electrical, Flooring, Gardening, Industrial, Hardware, Home Repair, Maintenance, Masonry, Mining, Paint Sundries, Plumbing, Roofing, Safety, Tile, Welding, etc. The Knee Pro III represents the third generation of the Ultra Flex Knee Pro line which we have been producing and distributing since 1990. With contributions from our engineers and input from our dedicated users modifications were made to our already incredibly popular pad to create the Knee Pro Ultra Flex III. The result is an unparalleled product that is virtually indestructible and offers the greatest in comfort and safety of any kneepad available. The KPIII is designed for those discerning professionals that require the highest standards from there safety equipment. Flexible Plastic outer shells are extremely strong and now extend lower for greater comfort and increased protection. Non-Marking Grip-Strip on any surface. 1/2 inch closed cell inner foam pad offers the ultimate in comfort and protection. Speed clips snap easily into place for quick on-off. Hinged with METAL RIVET for ease of movement while kneeling or walking. Soft elastic woven straps with reinforced sewn ends are placed well above and below the knee - will not bind behind knee. Easy Attachment.