Combination 30m logging tape, 5m diameter tape. Fully automatic gear drive tape. Strong aluminium case and open spool. Hardened steel gears and pinion. Fast, automatic return. Black graduations on a yellow background. Completely rebuildable. Graduations in m and cm for length (up to 30m), cm and mm for diameter (up to 5m). Comes with hook end. Spencer model 900MEDC.