LIFETIME WARRANTY: Lifetime warranty. Returns accepted. 100% Money Back Guarantee. Our friendly customer service will handle all issues. Purchase with peace of mind. COMPATIBILITY/ATTACHMENT: Clipquik guide combs attach by "clipping on" to the back of the clipper blade. They do not "slide on." These guards fit the same clipper models as the Wahl #10 and #12 guards. Fits the same clipper models as previous Clipquik guards. Fits clipper blades that are 1.5 inches long and APPROX 1.75 inches wide. Will not fit smaller bladed beard trimmers, body groomers, etc. Please view the provided compatible and non-compatible charts and attachment instructions graphic. PACKAGING: Shipped in a strong, secure, and presentable gift box with foam to protect during shipping. Makes a great gift!. STRONG AND STURDY MATERIAL AND DESIGN: Clipquik Premium Extra Large Clipper Guards are made with high quality, hard plastic. With the combination of the material used and the reinforced build design, these clipper guide combs are the sturdiest, strongest, most durable XL clipper guards available. This material and design ensures they keep their form, provide an even cut and last for a long time. LENGTH: Clipquik Premium XL Clipper Guard set includes 2.5 inch/64mm (#20), 2.25 inch/57mm (#18), 2 inch/51mm (#16), 1.75 inch/44mm (#14), 1.5 inch/38mm (#12), 1.25 inch/32mm (#10) combs. Keep your hair longer using clippers with the longest and strongest XL clipper guards on the market. IMAGES: Please view all listing images for sizes, details, benefits chart, compatible models and necessary clipper blade measurements, instructions, tips. Great for longer hair, shorter hair, pixie cuts, longer beards (must use full size hair clippers, not smaller beard trimmers, body groomers, etc.) Saves money and time!.