Open: $4.9200 USD/lb
11/21/2025
Close: $4.9595 USD/lb
11/20/2025
COMEX Aluminum
Latest: $2.0790 USD/lb
11/01/2025
Previous: $1.9439 USD/lb
10/01/2025
COMEX
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4.9200
AL
2.0790
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Steel Boxes, Covers, & Accessories

4" Square Extension Ring, 2-1/8" Deep - Welded, W/Conduit KO's

Southwire #: 53171-S Model #: 53171-S
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4 SQ EXT RING WELDED 2-1/8 IN

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4" Square Extension Ring, 2-1/8" Deep - Welded, W/Conduit KO's

Features & Benefits

  • Combination knockouts allow for greater wiring flexibility
  • Combination Phillips/Slotted screw heads.

Specifications

Model # 53171-S 53171-S
UPC # 785592531636 785592531636
Product Height 2.13 5.41 inch cm
Product Width 4.0 10.16 inch cm
Product Weight 0.5 0.23 lbs kg
Material Galvanized Steel Galvanized Steel
Cubic Capacity 30.3 (496.5) 30.3 (496.5)
Standard Package 25 25
Bottom Knockouts (2) 3/4", (3) 1/2" (2) 3/4", (3) 1/2"
Side Knockouts (6) 1/2", (6) 1/2" - 3/4" (6) 1/2", (6) 1/2" - 3/4"
Color Silver Silver
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