Pack of 20 elliptical 0.1×0.5 mm ActiLoops™ mounted into data matrix etched magnetic caps and cryovials. All to SPINE standard. 22mm in length (from bottom of cap to tip of loop). The pack contains 20 cryovials and 20 magnetic caps with elliptical 0.1×0.5 mm ActiLoops™ glued into the caps on 18mm SPINE standard pins.