The Lisle Corporation HD Filter Wrenches 3" Band, Nos. 53030, 53050, and 53090, is a stainless steel band that is designed to provide a secure grip, durability, and strength. The bands are meant to be used with a 1/2" square drive ratchet or breaker bar. Two sets of dimples in the band create a non-slip surface. These bands are available in three different sizes: 3-3/4" to 4-1/2", 4-1/4" to 5-1/4", and 5-1/4" to 5-3/4".