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Products > Jobsite-Storage-Equipment > Jobsite Storage > Chest > Model 4830 JOBMASTER® Chest, 25.25 cu ft > 4830

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Model 4830 JOBMASTER® Chest, 25.25 cu ft


The Model 4830 KNAACK® JOBMASTER® Chest measures 30 in wide by 48 in long and has a capacity of 25.25 cu ft. It is versatile, portable and can hold anything from hand and power tools to compressors and features a full length piano hinge, stacked and welded to resist break-in attempts. The size is ideal for a personal box on a jobsite or added security inside a trailer.


  • Uses Accessory Tray Model 31
  • WATCHMAN® IV Lock System 3-point latch with recessed lock housing for protection against theft
  • Additional reinforcement between the lock and the side housing
  • Bigger, better hinges offer stronger protection against pry-ins
  • Power Pass® Electrical Pass-Thru grommet provides easy, weatherproof power cord access
  • Four-way skids allow access from any side, making it easier and faster to transport
  • Powder-coat finish for superior durability and corrosion resistance
  • Closed height 34-1/4 in
  • Open height 61-1/4 in


FeatureSize / Details
Approx. Product Height34.25 in
Approx. Product Width30 in
Approx. Product Length48 in
Approx. Shipping Weight Lbs.194
Approx. Cu. Ft. Per Unit25.25
Closed Height34.25 in
Max. Open Extended Height61.25 in
Electrical AccessPower Pass® Electrical Pass-Thru
Lock SystemWATCHMAN® IV Lock System
Powder Coat FinishYes

Package Contents

Part NumberQtyDescription



Additional Chest Models

Model No.Approx. Product HeightApprox. Product WidthApprox. Product LengthApprox. Shipping Weight Lbs.Approx. Cu. Ft. Per UnitClosed HeightBuy Online
101036 in30 in66 in4003136 in
203218.25 in19 in32 in77518.25 in
204828 in24 in48 in1451628 in
206028 in24 in60 in1802028 in
247228.25 in24 in72 in21624.528.25 in
306837.625 in30 in60 in2253128 in
3218.5 in19 in32 in84518.5 in
3621.5 in19 in36 in97721.5 in
4223.375 in19 in42 in114923.375 in
482428.25 in24 in48 in1581628.25 in
483034.25 in30 in48 in19425.2534.25 in
4830-D35 in30 in48 in2541734.25 in
6028.25 in24 in60 in19020.2528.25 in