Replacement Standard LOR Kit (2) for epidural and spinal injection trainer, Replacement LOR kit, consisting of 2 loss-of-resistance inserts and 2 spinal tubes, long-lasting, very easy to change, Weight: 1.4 kg
Model, Wurtzite Crystal, named after the mineral wurtzite, is a crystal structure for various binary compounds, It is an example of a hexagonal crystal system, Wurtzite contains 39 - 1 inch balls, Dimensions: 24 x 2
Model, Edge Dislocation Crystal, contains 156 - 1 inch balls, Two main types of dislocation exist: edge and screw, found in real materials typically are mixed, Dimensions: 36 x 24 x 12 in, Weight: 10 lbs