Hamilton™ Metal Hub Blunt Point Needles (Luer Lock) Metal hub; 21 gauge; 2 in. (51mm) Point style: 3 Hamilton™ Metal Hub Blunt Point Needles (Luer Lock) | Fisher Scientific
ITT HUB 21 | Carbon Clean
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G&G 00022221 Weldahubs, Spline Bore, W Hub Series, 1-3/8" x 21 SP : Amazon.co.uk: Toys & Games