Made of ABS plastic, strong and durable, easy to install. Package includes 3 sizes of hair clipper guide combs: 32mm, 38mm, 51mm, to meet your different needs. Each guide comb glides smoothly and quickly through hair, helping save time during use. Easy to attach and remove from clippers. Simply attach the comb to the bottom of the clipper blade and pull up to secure. Sturdily built for smooth performance, even in thick hair. Ideal for trimming hair and beard. Compatible with standard adjustable clipper blades. A necessary tool for haircutting and grooming. Specifications: Type: Limit Combs Material: ABS Sizes: 32mm, 38mm, 51mm 1# 9.8 x 5 x 3.3cm / 3.9 x 2 x 1.3 inch 2# 10.9 x 5 x 4.2cm / 4.3 x 2 x 1.7 inch 3# 11.7 x 5.1 x 5.1cm / 4.6 x 2 x 2 inch Colors: Gray, Black, Green, Blue Package Includes: 3 Pieces Hair Clipper Guide Combs Note: 1. Please allow 1–3 cm variation due to manual measurement. 2. Due to monitor differences, the actual color may vary slightly from the image.