Tunnel inserts available both in the popular crosshair version #11and the #17 that allows for insertion of a 1,5 mm fluor pin. The tunnel inserts are available in a multi pack with an insert in each available color: #11 in Red (RD), Black (BK), Orange (OR) and Green (GR), #17 in Red (RD), Black (BK), Orange (OR), Green (GR) and Clear (CL).
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