Schröder | Insert Bit Square Recess No.1 Type_Jigsaw Blades About The Performance 1380 Series

About The Performance 1380 Series

Adjustable height

Thanks to exceptionally high quality awareness

Clear graduations laser etched on satin chrome finish for easy reading

Tempered steel offers durability and precision and can be re-sharpened

Schröder | Insert Bit Square Recess No.1 Type_Jigsaw Blades About The Performance 1380 SeriesSquare Recess Robertson Bits Square Recess Bit: No. 1 Length: 25 mm A Robertson, also known as a square or Scrulox screw drive is specified as ANSI Type III Square Centre and has a square shaped socket in the screw head and a square protrusion on the tool. Both the tool and the socket have a slight taper. As patents expired and awareness of their advantages spread, Robertson fasteners have become popular in woodworking and in general construction.