kukko 250-540 watchmaker screwdriver set for precise work with the highest demands in craftsmanship and watchmaking Wrench Torque accuracy of +/- 3%

Torque accuracy of +/- 3% CW between 20% and 100% of wrench capability

Simultaneous adjustment of tension and alignment

225 lb Roller Material: Chrome Steel Lubrication Hole Location: Inner Ring Adjustment: None Enclosure: 2 Seals Ability to Relubricate: Yes Operating Temperature Range (F): -20 to 250 °F °F

SC-22 is manufactured in the USA and is RoHS compliant

kukko 250-540 watchmaker screwdriver set for precise work with the highest demands in craftsmanship and watchmaking Wrench Torque accuracy of +/- 3%The clockmaker's screwdriver sets of series 250 are used for precise work with the highest demands in craftsmanship and watchmaking. The screwdrivers with a rotating hexagon head and knurled fine screw grip allow for the controlled transmission of strong torques. Depending on the needs, the set contains screwdrivers for various profile sizes and types. Application oriented assembly for universal use Also suitable for other areas of technology