Check the listing for details. HOROTEC® Watchmakers Precision Screwdrivers SWISS MADE. Condition: New with tags. Listed at 19.95 USD. This Horotec screwdrivers one of the best watchmaker's screwdriver. The slightly oversized heads and tiny ball bearings provide comfortable and efficient operation. This premiere Swiss made miniature watchmakers and jewelers straight blade screwdriver will help with all kinds of jewelry and watch repair jobs. Horotec screwdrivers are built to strict specifications with high standards.All blades are tempered. we carry 11 sizes, Delrin confortable swivel head with anodized aluminum knurled grip shaft, and replaceable screwdriver blades. The blades can be changed by using the tightening nut at the end of the screwdriver Individual Screwdrivers - 11 Sizes Available 0.50 mm to 3.00 mmAluminum Comfortable Knurled HandlesColor Coded Shafts For Easy Identification of the Screwdriver SizeScrewdriver head is on ball bearing for smooth turns while workingScrewdriver Size: 4"Swiss MadeSold individually