Drop-messenger-operated closing mechanism Back Catalog number: 438520 Availability: In the manufacturer's stock Price on request - + Recommended A266-20 20Litre Tight Head Drum. 316 Stainless Steel. Price on request 5070C-10 Copper Wire 10m Price on request 1360A-303 AccuPod Sampler 316Lss - 300mm long - 3 Ports Price on request