360pc Stainless Steel Watch Band Strap Spring Bar Pin Assortment & Tool Set - 18 Sizes 6-23mm - Watch Band Pins - Metal, Nylon or Leather Bands - Fit Most Watch Brands 18 sizes 6mm to 23mm (springs-compressed) stainless steel spring bars for men's and women's watches Spring bars fit between lugs of wristwatch to hold watch band in place; fit most watch brands Use on metal, nylon military-style, leather bands, easy to install with spring bar tool; 1.5mm diameter bars Includes spring retraction tool & pin pusher; pays for itself with one use, includes organizer case Broken spring bars are most-common cause of watch loss - replace worn & broken bars immediately