SPI 910175 - 4pc 12" Combination Square Set (Made to Order) 48-22-0159 3/8" and 1/2"

3/8" and 1/2"

Designed for ultimate blade control

2-stage TEK modes reduce impact power during final stages of fastener seating in thick or thin metal

bike tires

SPI 910175 - 4pc 12" Combination Square Set (Made to Order) 48-22-0159 3/8" and 1/2"Combination Square Set 4 Piece Center head (made of cast iron): To locate center of cylinder with diameter (d): 1. 181" DIA 3. 937" DIA, Accuracy: 0. 006" Protractor head (made of cast iron): Set the blade at desired angle to an edge of a workpiece, and can be used to measure angle range: 0 180, accuracy: 20min. Square head (made of cast iron): Set the blade at 90 or 45 to an edge of a workpiece, Accuracy: 8min for 90 square, 10min for 45 square12"