Jacks

7.5" Standard Jacks

by Watanabe Glass Tools · Pawtucket, Rhode Island, USA

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The maker's most popular size: an all-round jack with smooth tool steel blades and a lively spring, modeled on Dino jacks.

Furnace / hot shop

Blades: About 7.5", tool steel, wedge profile
Handles: About 4"
Strap: About 3.5" × 1.5"
Finish: Black patina or brushed natural

Where to buy

Watanabe Glass Tools Direct from the maker
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Links last checked September 30, 2026.

About this tool

The smooth blades need very little wax and don’t chatter. Each pair is stamped with a logo and the date. Black patina sealed with a wax and coconut oil mix, which works as a pre-seasoning so new wax sticks. Some sizes can be ordered in brushed natural. Made to order in Pawtucket, Rhode Island.