Oetiker Stepless OET070170-300PCK Clamp Assortment Case, Single Ear Hose Clamps without Pincers, 1/4" - 11/16" Genuine Oetiker Clamps - 50 each of 1/4" (7.0 mm), 13/32" (10.5 mm), 7/16" (11.3 mm), 1/2" (13.3 mm), 5/8"(15.7 mm) and 11/16" (17.0 mm) 360 Stepless Design - no steps or gaps on inner circumference Narrow band, concentrated seal compression Specially formed strip edges reduce the risk of damage to the part being clamped Lightweight design and Tampering is visible