Rave Scientific offers wafer cleaving pliers that are designed for making clean breaks in silicon wafers,thin glass, thin quartz and similar materials. The can be used for either cleaving/breaking or nipping. These wafer cleaving pliers (also called glass running or glass breaking pliers) include two sets of jaw inserts:
Made of a lightweight, durable, strong reinforced plastic with ergonomically molded handles. Overall length is 152mm.