Stainless Steel Reusable Needles 12 Pack, HSW Disposable Needles in boxes of 100, HSW Detectable Needles in boxes of 100, Ideal Process Detectable Needles in boxes of 100 Vaccination Equipment Stainless Steel Reusable Needles 12 Pack, HSW Disposable Needles in boxes of 100, Process Detectable Needles in boxes of 100. Think Livestock supply a very broad range of veterinary needles to cover almost all veterinary applications. All vaccination needles supplied have standard Luer lock fittings which fit onto all the most common brands of multi dose vaccinator and single dose syringes. In most cases there are a variety of needle lengths offered in each needle gauge. Needle lengths vary from 1/8 inch to 2 inch, and gauges vary from 14 gauge (thickest needle) to 25 gauge (finest). These veterinary needles are used at some stage in virtually all types of animal farming. Because of the wide range of needle lengths