Editorial Review This JAXA style Watch Case-back Opener with a knurled handle is for watches with screw-on style watch case backs. Also known as a Key for Waterproof Watches. The maximum jaw opening is 33mm. It has with four types of pins: polygon, knurled, round or multi-knotched. Included is a wood storage case with latch closure. A great tool to have to open those screw-on style watch-backs to change your batteries, or do minor repairs. To use: adjust the 3 bits in the 3 slots, building a triangle of equal length and hold the watch in one the palms of your hand, or put it a watch case vise, and hold the case back opener with the other hand firmly and turn it perpendicularly on the case back counter-clockwise. Loosen the wrench before lifting off the case back. Again if the case back is tight, consult a watchmaker or professional jeweler who repairs or fixes watches. A must have tool for watch enthusiasts, watch collectors, Jewelers and those who enjoy repairing watches or changing batteries. Tool length: 5.7" Handle Length: 2-3/8" Head of the Tool at widest point: 1 and 15/16" Weight of tool: 0.35lbs Shipping weight: 1.05 lbs
Features 1) Known also as a Key for Waterproof Watches with a screw-on watch case back, maximum jaw opening is 33mm 2) Jaxa Style Case back opener measures 5.7" long with a handle 2-3/8" long 3) Four types of pins/bits for case backs with Polygon, Knurled, Round, or Multi-knotched 4) Includes Wooden case with a front latch closure. 5) Great Tool for Watchmakers, Jewelers, Hobbyists, Enthusiasts who change watch batteries or open watch cases for repairs/adjustments
Specification Binding : Watch Brand : Jewelers Supermarket Department : unisex Label : Jewelers Supermarket Manufacturer : Jewelers Supermarket PackageDimensions_Weight : 1.00 pounds PackageDimensions : L:6.00 X W:4.00 X H:4.00 ProductGroup : Watch ProductTypeName : WATCH Publisher : Jewelers Supermarket Studio : Jewelers Supermarket Title : Jaxa Style Watch Case Back Opener for Screw-on type Watch Cases