110V / 120V supply only. This unit is built for standard North American household current (110V / 120V). Running it on 220V / 240V through a voltage converter-transformer voids any warranty the equipment may have. Confirm your outlet voltage before powering on.
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The Thumler's Tumbler Model A-R2 is a continuous-duty double-barrel rotary tumbler built for long, unattended runs. Each molded rubber barrel holds up to 3 lb, giving you 6 lb of total processing capacity across two independent batches. Suited for jewelry burnishing with steel shot, cut-down work with plastic or ceramic media, or staged lapidary grinding and polishing, the A-R2 delivers uniform, repeatable results with quiet operation. Manufactured in the USA by Tru-Square Metal Products under the Thumler's Tumbler name, stock number 114, Otto Frei part number 147.782.
Features
Two independent molded rubber barrels, 3 lb capacity each — 6 lb total including media, parts, and liquid
Continuous-duty rotary action for consistent, repeatable mass-finishing results
Suitable for burnishing with stainless steel shot and compound, cut-down with plastic or ceramic media, and lapidary grit sequences
Rubber barrel construction dampens noise during extended runs
Designed for long, unattended operation
Made in the USA
Specifications
Model
Thumler's Tumbler A-R2 (Double Barrel)
Otto Frei Part No.
147.782
Manufacturer Stock No.
114
Voltage
110V
Barrel Capacity
Two barrels, 3 lb (1.36 kg) each; 6 lb (2.72 kg) total including media and workpieces
Duty Cycle
Continuous operation
Country of Origin
USA
What's Included
A-R2 tumbler base (110V)
Two molded rubber 3 lb barrels with lids
Basic instructions
Notes
Do not exceed 3 lb per barrel — total load includes media, parts, and liquid combined.
Rinse barrels and media thoroughly after each use; avoid grit carryover when switching between processes.
Rotary tumbling is the slowest mass-finishing method and is not intended for final polish on broad, flat surfaces.
Specifications
Brand
Thumler's Tumbler
Part #
147.782
Type
Tumblers & Media
Voltage
110V / 120V
Dimensions
16 in x 13 in x 5 in
Length
16 in
Width
13 in
Height
5 in
Model
Thumler's Tumbler A-R2 (Double Barrel)
Otto Frei Part No.
147.782
Manufacturer Stock No.
114
Voltage
110V
Barrel Capacity
Two barrels, 3 lb (1.36 kg) each; 6 lb (2.72 kg) total including media and workpieces
California Prop 65 Warning: