![8408: 4-Channel Mouse Commutator and Swivel (10 Pin)](http://store.pinnaclet.com/cdn/shop/products/20210518_150832_84088481m_sm_{width}x.png?v=1622649784)
Lightweight 4-channel (10-pin) swivel/commutator for mice that has very low torque allowing for natural movement of the animal. Connects to the mouse preamplifier (8406). Commutator/swivel is typically bolted to an 18" mounting plate which is purchased separately (8426).