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4830 Jobsite Storage - Knaack CA
4830 Jobsite Storage - Knaack CA4830 Jobsite Storage - Knaack CA4830 Jobsite Storage - Knaack CA4830 Jobsite Storage - Knaack CA
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Model 4830 JOBMASTER™ Chest, 25.25 cu ft


The Model 4830 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 lenth 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.


  • Powder-coat finish for superior durability and corrosion resistance
  • Closed height 34-1/4 in
  • Open height 61-1/4 in
  • Uses Accessory Tray Model 21
  • 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


FeatureSize / Details
Approx. Cu. Ft. Per Unit25.25
Approx. Product Height34-1/4 in
Approx. Product Length48 in
Approx. Product Width30 in
Approx. Shipping Weight lb (kg)194 (87.9)
Accessory Tray Model31
Closed Height34-1/4
Electrical AccessPower Pass® Electrical Pass-Thru
Lock SystemWATCHMAN® IV Lock System
Max. Open Extended Height61-1/4 in
Powder Coat FinishYes

Package Contents

Part NumberQtyDescription



Additional Chest Models

Model No.BrandApprox. Cu. Ft. Per UnitApprox. Product HeightApprox. Product LengthApprox. Product WidthApprox. Shipping Weight lb (kg)Buy Online
1010MONSTER BOX®3136 in66 in30 in400 (181.4)
2032CLASSIC®518-1/4 in32 in19 in77 (34.9)
2048CLASSIC®1628 in48 in24 in145 (65.8)
2060CLASSIC®2028 in60 in24 in180 (81.6)
2472JOBMASTER™24.528-1/4 in72 in24 in216 (97.9)
3068CLASSIC®3128 in60 in30 in225 (102.1)
32JOBMASTER™518-1/2 in32 in19 in84 (38.1)
36JOBMASTER™721-1/2 in36 in19 in97 (44)
42JOBMASTER™923-3/8 in42 in19 in114 (51.7)
4824JOBMASTER™1628-1/4 in48 in24 in158 (71.7)
4830JOBMASTER™25.2534-1/4 in48 in30 in194 (87.9)
4830-DJOBMASTER™1735 in48 in30 in254 (115.2)
60JOBMASTER™20.2528-1/4 in60 in24 in190 (86.2)