Tri Electronics GXL-NEXT Professional Gold and Platinum Tester

Tri Electronics GXL-NEXT-GOLD Professional Gold and Platinum Tester

Tri Electronics GXL-24 Pro Electronic Gold Tester + A/C Adapter

Tri Electronics GXL-24 Professional Electronic Gold Tester (6K - 24K)

Tri Electronics GXL-18 Professional Gold & Platinum Tester (6K - 18K)

Gel Refill for Tri Electronics GXL-24 & GT-4000 Gold Testers

Gel Refill for Tri Electronics GXL-24 & GT-4000 Gold Testers (4-pack)

Gel Refill for Tri Electronics GXL-24 & GT-4000 Gold Testers (10-pack)

Gel Refill for Tri Electronics GXL-18 & GT-3000 Gold Testers (4-pack)

Gel Refill for Tri Electronics GXL-24 & GT-4000 Gold Testers (5-pack)

Tri Electronics Gemolog Professional Colored Gemstone Tester

Tri Electronics Diamond Pro Electronic Diamond Moissanite Tester

Tri Electronics Diamond Pro Plus Electronic Diamond Moissanite Tester

Tri Electronics Diamond Wizard Electronic Diamond Moissanite Tester

Tri Electronics Diamond Pro Plus Electronic Diamond Moissanite Tester + Dock

Tri Electronics Diamond Jet 100 Portable Electronic Diamond Tester

Replacement Tri-Electronics Twist Cap for GXL 24 GT 3000 GT 4000 Probes

Alligator Clip for Tri Electronics Gold Testers For GXL 18, GXL 24, GT 3000, GT 4000 Testers