The EZR Clamps slide through most track system rails making them the perfect partner for your Festool, Metabo, Makita, Hitachi/Hikoki or Dewalt track systems. These clamps also work like any general purpose Quick Action clamp AND can also act as a spreader. The removable and reversible foot makes this one of the most versatile clamps on the market. The foot extension also gives you versatile clamping on odd shapes and profiles. The small bar allows these to be used as hold down clamping through 3/4" and 20mm dog holes. Just pop off the foot, drop through the dog hole, re-attach the foot and start clamping. Simple! With special guide on the top section for grooves 12 x 6.5 mm to 12 x 8 mm Use with adapter on the bottom section and rotated top section for secure fastening of guide rails from Festool, Protool, Metabo, Makita, Hitachi/Hikoki, Dewalt, etc. and for clamping in profiles and on work benches Use with adapter on the top or bottom section for step-over clamping Use with or without adapter – for clamping or spreading Clamping force up to 100 lbs Ergonomically shaped 2-part plastic handle with pump lever behind the rail