Our hair clipper guard is made of durable material and is in high quality for a long use, each single product is tested to be with no flaw and then shipped to you. [Guard Size and Compatibility] Clipper guards guide comb 1/2 Attachment (3137-101) is grey in color and provides a 1/16 (1.5mm) length. Fits all Wahl full size clippers blades except for..