Swordfish 30280 - Stepless 1-Ear Clamp Size from 10.8mm-31.6mm and Standard Jaw Pincer Assortment Kit, 81 pieces: 
The kit include 80 pieces stainless steel 1-ear clamps and 1 pc high quality standard jaw pincer for clamping hose clamps in a variety of diameters
Stainless steel clamp is made of 304
Mechanical interlock of this clamp keeps it securely closed and provides better corrosion resistance than a spot-weld, which is vulnerable to corrosion
8 sizes ear clamps ranging from 1/2" to 1-1/4" (10.8mm-31.6mm)
Standard jaw pincers included for crimping clamp ears closed for tamper-resistant seals
The kit content:
(10) 1/2" 1-ear clamps
(10) 9/16" 1-ear clamps
(10) 5/8" 1-ear clamps
(10) 23/32" 1-ear clamps
(10) 7/8" 1-ear clamps
(10) 1" 1-ear clamps
(10) 1-1/8" 1-ear clamps
(10) 1-1/4" 1-ear clamps
(1) High quality standard jaw pincers
Storage case