GDI Tools Utility Knives

OLFA™ Segmented Utility Blade by GDI Tools®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...

NT PRO A1™ 5-1/2" Red Dot Retractable Utility Knife Kit (2 Pieces) by GDI Tools®. Regarded by many installers as the finest professional knife available. The blade can be advanced in 1/2 segment increments for precision control. Right...

OLFA™ 5-1/4" Auto-Lock Retractable Utility Knife by GDI Tools®. All knives are packaged with a carbon steel blade except for the GT126 and GT226, which include a stainless steel blade. Significantly improved over the "Olfa Silver"....

OLFA™ 3-3/8" Segmented Utility Blade (50 Pieces) (GT123) by GDI Tools®. Standard carbon snap blades with superior sharpness and edge retention. This 9 mm blade fits most standard duty knives and has 13 cutting edges per blade.

OLFA™ 3-3/8" Segmented Utility Blade (50 Pieces) (GT116) by GDI Tools®. The industry standard when it comes to snap blades for film and pattern cutting. Thirteen cutting edges per blade. Use in most standard duty knoves. This product...