FEATURES  Head is cast iron and has black wrinkle finish  Reversible lock bolts  Accurate spirit level  The square head is 8-3/8" long   SPECIFICATIONS  Made in America: Yes

Starrett SQUARE HEAD ONLY H439

Starrett SQUARE HEAD ONLY FOR 12, 18, 24" BLADE H33-1224

H33-6 Square Head Only for 6" Combination Squares 439 Heads for Combination Squares and Sets Square Head for Combination Squares Smooth-finished, forged and hardened steel center head. Fits 6" blades...

H33-4 Square Head Only for 4" Combination Squares 33 Heads for Combination Squares and Sets Square Head for Combination Squares Smooth-finished, forged and hardened steel center head. Fits 4" blades...

Starrett PROTRACTOR HEAD, REVERSIBLE PR-1224S

CPNR-1224W Protractor Head for Combination Squares, Combination Sets and Bevel Protractors Protractor Heads Only for Bevel Protractors - Cast Iron Protractor Head for Combination Squares, Combination...

Features 600mm Length 36 - 1/2mm and 32nds One Side; mm and 64ths Reverse Side Satin Chrome Finish Specifications

FEATURES  48" Length  4R - 8ths, 16ths, Quick Reading 32nds, 64ths  Satin Chrome Finish   SPECIFICATIONS  Made in America: Yes

FEATURES ?4" Length ?4R - 8ths, 16ths, Quick Reading 32nds, 64ths ?Satin Chrome Finish ? SPECIFICATIONS ?Made in America:?Yes

FEATURES  36" Length  4R - 8ths, 16ths, Quick Reading 32nds, 64ths  Satin Chrome Finish   SPECIFICATIONS  Made in America: Yes

FEATURES  300mm Length  36 - 1/2mm and 32nds One Side; mm and 64ths Reverse Side  Satin Chrome Finish   SPECIFICATIONS  Made in America: Yes