14K, 18K & Platinum Round 4 Prong Double Gallery Positive Locking Guardian Post & Back Sets Stone Size:4.0mm (.25ct) this lens is built for

this lens is built for extended hands-free work at the bench

Anneal wire frequently to prevent cracking and maintain workability

Wubbers pliers are fitted with turquoise padded

The 1/10 HP permanent magnet ball bearing motor holds steady torque without bogging down under load — a critical requirement when working at low speeds

200°F Prop 65 Warning Yes — contains crystalline silica Notes

14K, 18K & Platinum Round 4 Prong Double Gallery Positive Locking Guardian Post & Back Sets Stone Size:4.0mm (.25ct) this lens is built forClassic round 4 prong double gallery earring mountings with Positive Locking Guardian posts and nuts for securely setting round faceted gemstones. A clean, balanced profile lets the stone take center stage. Available in 14K yellow, 14K white, 18K yellow, 18K white, and platinum across a broad stone size range, these mountings are well suited for professional jewelry mounting and repair work. Features 4 prong double gallery construction designed for