Chatillon MSCK Muscle Strength Comparison Kit The Chatillon MSCK Accessory kit works with all Chatillon DMG, FCE and MSC medical gauges and includes: Chatillon SPK-FMG-142 Curved Compression Fixture 500 lbf Thread 5/16-18FChatillon SPK-FMG-143 Compression Plate, Flat 500 lbf Thread 5/16-18FChatillon SPK-FMG-144 Palm Fixture (Mushroom) 500 lbf Thread 5/16-18FChatillon SPK-FMG-145 Compression Plate, Large (Rectangular) 500 lbf Thread 5/16-18FChatillon SPK-FMG-146 Compression Plate, Small (Rectangular) 500 lbf Thread 5/16-18FChatillon NC002844 Graping loop Stainless Steal Dual loopsChatillon NC000721 V-Notch Fixture, Small 500 lbf Thread 5/16-18FChatillon NC000725 V-Notch Fixture, Large 500 lbf Thread 5/16-18FChatillon NC002500 Hook with Latch 500 lbf Thread 5/16-18FChatillon NC000857 Knurled Nut 5/16-18F ThreadChatillon SPK-FMG-013B Extension Rod, 6-inch 500 lbf Thread 5/16-18FChatillon SPK-FMG-147 Carrying Case (Small) (No Gauge Cutout)