The ZN-SL is built on a 3 1/2" W x 3" D x 1" thick steel base and weighs 3 pounds 4 ounces. It features 3 ball bearing per lever arm, magnetic return, solid silver contact points and very fine threaded magnet and contact screws (56 TPI). It has 4 non-skid feet. All screws are stainless steel. The fingerpieces are lexan and have an OTO of 3/8". The other option is one single lexan fingerpiece (3mm).
The ZN-SL comes in either IRONMAN V finish or the All Black finish as shown respectively.