Welcome to Allen Instruments online store Welcome to our online store Sokkia 8152-20 Mining Transit Books - 6 pack SKU 8152-20 $55.80 In stock Quantity: 1 Add to Bag Product Details Left page consists of blue horizontal line and red vertical lines. The right page is 8 x 8 blue lines with a red vertical center line. Book measures 4-1/2” x 7-1/4”. Books sold in bundles of 6 Save this product for later Favorite