Number Valve Core Material Size Body and Cap Material Length 100 Neoprene 1/4" NPT Brass 1 1/2" 110 Nordel " " " 100XL Neoprene 1/4" NPT Brass 3" 110XL Nordel " " "   300 Neoprene 3/8" NPT Brass 1 1/2" 310 Nordel " " "   400 Neoprene 1/4" NPT 316 SS 1 1/2" 410 Nordel " " "   700 Neoprene 1/2" NPT Brass 1 1/2" 710 Nordel 1/2" NPT Brass 1 1/2" 700XL Neoprene " " 3" 710XL Nordel " " 3"           12500 Neoprene 1/8" NPT Brass 1 1/4"   Cap retaining straps are standard on all plugs.       GAUGE ADAPTER (All Connections 1/4" NPTF) 500 Gauge adapter with 1/8" diameter probe 500XL Gauge adapter with 1/8" diameter probe for XL plugs 510 Gauge adapter with 1/16" diameter probe - for #12500 520 Gauge adapter (1/8" probe-all 316 SS)     TEST KITS   1500 Temperature and Pressure Test Kit 1500XL Temperature and Pressure Test Kit - XL          **Test  kits can be purchased with other thermometers**   BI-METAL POCKET TESTING THERMOMETERS 5" STEM WITH EXTERNAL CALIBRATION Range Degree Division 600 -40ºF to 160ºF 2 601 25ºF to 125ºF 1 603 0ºF to 220ºF 2 DIGITAL POCKET TESTING THERMOMETERS 5" STEM Range Degree Division 606 -58ºF to 571ºF 0.1