100 counter 4 digit number counters plastic shell hand held finger display manual counting tally clicker timer golf points

this wonderful accessory, for any knitter or crocheter, helps keep track of what row you are on, or how many stitches you are working, or whatever needs to be counted and kept rack of when not in use, the screen goes blank (to sleep) but as soon as you push the large silver button, it awakens, right where you left off, and continues counting. so it has a battery saving mode