Forming Blocks Shape:Ovals The standard 1/4 inch-20 thread

The standard 1/4 inch-20 thread bolt is molded into the back-up plate to fit most mainstream cabbers with a tapped right-end shaft such as the Diamond Pacific Pixie Gem-Maker (4")

sold as singles

This makes 90 degree corner trim cuts easy

⚙️ Genuine Diamond Pacific replacement and spare parts are also available for your Mini-Sonic tumbler or larger Vibra-Sonic Tumblers

leaving you with an unobstructed view as you work

Forming Blocks Shape:Ovals The standard 1/4 inch-20 threadThese sturdy forming blocks are made of hard wood to prevent scratching or marring and have seven depressions available in oval, teardrop, or round shapes. Measures 6. 25" x 4" x 1. 25.