Roaring Spring Computation Lab Book, 11 3/4" x 9 1/8", 152 pages, Buff Paper 671607113976 Has a 60 days free

Has a 60 days free replacement policy for any missing/damaged parts

5/64 x 5/64 x 3/16 in Thick

Each punch is made from hardened and tempered steel

Double Leak Guards help keep wetness away from the sides for secure protection

Roaring Spring Computation Lab Book, 11 3/4" x 9 1/8", 152 pages, Buff Paper 671607113976 Has a 60 days freeSection sewn for lay flat 24# buff paper 4x4 graph print pressboard covers numbered 1 152 Keep track of your lab work with this exceptional quality lab notebook. Oversize pages are produced from extra heavy 24# buff bond paper, and are printed with a 4x4 graph print. The sheets are section sewn, which allows for extra "lay flat" when taking notes in the lab. Covers are water resistant 20pt red Genuine Pressboard. Pages are sequentially numbered 1 152.