This easy-to-use logbook is indispensable! Fill-in-the-blank pages help you build a detailed record of critical data that ends the guesswork and struggling to remember what you used for that "perfect" load 'way back when. Blanks to record bullet type/weight, powder, primer, case, firearm used, number of shots fired, group size, weather conditions velocity, and room for comments on how the load performed. 8-1/2" x 11" pages are prepunched for 3-ring binders. 50 pages per log.