Swiftach Tacks 1.77-inch Clear / White Tutu Layer Tacks per Box of 5000Priced per box of 5000 (50 clips of 100). Clear. 1. 77 inch paddle tacks to use with the Mark III Swiftach, from Avery Dennison. Price is 10% less thn if purchased by the pack of 1000. Perfect size tacks for bell tutus and classical tutus where you want less tacking and more movement. Need less? See the 1000 pack pricing.