MDI Work Zone Safety Products 
12
1.800.521.6776 // www.mditrafficcontrol.com
//WINDMASTER® SIGN STANDS//
This group of WindMaster® sign stands are designed for rugged 
performance and durability. This line will meet your budgetary 
needs without sacrificing quality. For convenience, these sign 
stands are designed to hold standard roll-up sign using standard 
1¼" wide fiberglass crossbracing. Use your existing roll-up signs 
or MDI® models. All MDI WindMaster sign stands feature kick-
release legs and are also available in aluminum. WindMaster  
sign stands are backed against defects in workmanship, parts 
and materials. 
5012M-SS
Screw-lock sign bracket 
included. Single spring.
Featuring telescoping legs. For 
use with roll-up signs only.
* To top of 48" sign without flags. ** Distance from bottom of 48" sign to ground.
***5018K not compatible with MDI Compact® signs.
40CAM
CamLock® sign bracket. Single 
spring. Featuring telescoping 
legs. For use with roll-up signs 
only.
 Holds sign 12" from ground
 Holds sign 12" from ground
 Holds sign 12" from ground
5012NS
Screw-lock sign bracket 
included. No spring. Featuring 
telescoping legs. For use with 
roll-up signs only. 
Also available in CamLock® 
(5012M-NCAM).
5018K
For use with roll-up, aluminum, plywood, 
plastic and aluminum 
laminate signs. Dual spring and 
BreakAway® feature.
 Holds sign 18" from ground
◆ Strong wind performance.
◆ Folds for easy handling and convenient storage. 5012 Series occupies 
only 1-cubic foot of storage space when folded.
◆ Designed to accommodate most roll-up signs up to 48" in size.  
5018K has additional rigid sign capabilities. 
◆ Individually adjustable legs for stability on curbs and uneven terrain.
◆ Available with aluminum legs. 
◆	 NCHRP-350 / MASH accepted.
Model
Number
Deployed
Height*
Sign
 Height**
Folded Dimensions
(HxWxD)
Weight 
(w/o brackets)
Roll-Up 
Signs
Rigid
Signs
 WindMaster
Springs
40CAM
80"
12"
25½" X 7½" X 6½"
21 lbs.
◆
––
Single
5012M-NCAM
80"
12"
29" X 7½" X 6½"
21 lbs.
◆
––
None
5012NS
80"
12"
25" X 7½" X 6½"
18 lbs.
◆
––
––
5012M-SS
80"
12"
25" X 7½" X 6½"
22.5 lbs.
◆
––
Single
5018K***
86"
18"
58" X 11" X 8¼"
32 lbs.
◆
◆
Dual 

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