{"product_id":"pumice-gravel-bulk-annealing-3mm-7mm","title":"Pumice Bulk Package","description":"\u003cp\u003ePumice Bulk Package provides professional jewelers and metalsmiths with a reliable supply of natural pumice gravel for annealing and metalworking. Each piece ranges from 3 mm to 7 mm in size, making this gravel well-suited for work ranging from small detailed pieces to larger jewelry projects. Pumice reflects heat during the annealing process, contributing to more efficient and consistent workflow at the bench.\u003c\/p\u003e\u003cp\u003eUse this pumice in a rotating annealing pan or any suitable working container. Available in three bulk package sizes to match your studio's volume needs.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNatural pumice gravel sized 3 mm – 7 mm for versatile jewelry applications\u003c\/li\u003e\n\u003cli\u003eReflects heat during annealing for a quicker, more efficient process\u003c\/li\u003e\n\u003cli\u003eCompatible with rotating annealing pans and other working containers\u003c\/li\u003e\n\u003cli\u003eAvailable in three bulk quantities to suit individual benches or high-volume studios\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eGravel Size Range\u003c\/th\u003e\n\u003ctd\u003e3 mm – 7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePumice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary Use\u003c\/th\u003e\n\u003ctd\u003eAnnealing, heat reflection during metalworking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003ePackage Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.122-1LB\u003c\/td\u003e\n\u003ctd\u003e1 lb Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.122-2.5LB\u003c\/td\u003e\n\u003ctd\u003e2.5 lb Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.122-20LB\u003c\/td\u003e\n\u003ctd\u003e20 lb Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1LB","offer_id":43578485670102,"sku":"154.122-1LB","price":8.0,"currency_code":"USD","in_stock":true},{"title":"2.5LB","offer_id":43578485702870,"sku":"154.122-2.5LB","price":16.5,"currency_code":"USD","in_stock":true},{"title":"20LB","offer_id":43578485768406,"sku":"154.122-20LB","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/pumice-bulk-package-otto-frei.jpg?v=1719958874","url":"https:\/\/www.ottofrei.com\/products\/pumice-gravel-bulk-annealing-3mm-7mm","provider":"Otto Frei","version":"1.0","type":"link"}