Connection square according to DIN 3120, ISO 1174, with ball locking Inner square drive according to DIN 3120, ISO 1174, with ball-catcher groove 2 K-reversible ratchet, right/left-handed rotation through Lever reversible, push-button release, fine-toothed, oval head, 2-component grip, hand-protecting power transmission, for socket wrench inserts Square plug-in handle 1/4", 1-component grip with inner square Socket wrench set 1/4" + 1/2", 6-edged, metric, design according to DIN 3124, ISO 2725 Spark plug socket 1/2", with inserted rubber holder and additional drive-6-hexagonal SW 23 Socket wrench Extension 1/4" +1/2" Cross-grip with sliding piece 1/4", design in accordance with DIN 3122 and ISO 3315 Joint 1/4" + 1/2", joint screwed, according to DIN 3123-C Version 12.5 Magnification Adapter/sliding piece 3/8" x 1/2", for driving the socket wrench and screwdriver sets Bit adapter 1/4", with hexagon socket and square, for all bits and tools with 1/4" hexagon head Bit adapter 1/2", with h