STEM CAPS FOR ROTOLOCK AND SERVICE VALVES Click here to download our Cap Master chart Stem Caps for Suction Line Applications are available in Plastic Cap, Valox, or other polymer material Stem Caps for Both Suction Line AND Liquid Line Applications are typically made of Brass. Older cap designs used steel, but they are often still in service! Stem Caps for Liquid Line applications are available in Brass, Steel & Aluminum. **NEW**Supermarket Leak Stopper Benefits Copper Crush BonnetNo Schrader DamageHex Flats to TightenRe-UseableReliable PART NO. QTY/PKSE-SCAP-CB45-6 6 pcs/pkSE-SCAP-CB45-10 10 pcs/pkSE-SCAP-CB45-25 25 pcs/pkSE-SCAP-CB45-100 100 pcs/pk Click here to download our Cap Master chart