Limited Availability: Contact us for delivery times Hand Drills & Braces Jeweller's Archimedean Drill Other 502421 BGN21.01 Central helical shaft with spring-loaded sliding collarShaft rotates approximately 1.1/4 times per strokeHolds drill bits up to 1.0mm diameterCollet chuck ensures secure grip of fine dill bitsSwivelling finger rest for ease of use Add to cart