The Wera Tool-Check PLUS, 39-piece, is a compact and versatile set consisting of a combination of bits, sockets, a hand holder, adapter, bit holder, and a high-quality Wera bit ratchet. Ideal for precision work and professional use, where power and efficiency come together. Special Features: 28 high-quality Wera bits for various applications. Includes hand holder 813 suitable for 1/4" external hexagon drive (DIN ISO 1173-C 6.3). Rapidaptor bit holder for quick and easy bit changes. Adapter 870/1 (1/4" hexagon to 1/4" square) for versatile use. 7 sockets (1/4") for common sizes. Compact Wera bit ratchet, drop-forged from solid steel for maximum durability. Ratchet suitable for 1/4" external hexagon drive and, in combination with an adapter, also for 1/4" sockets. High-quality finish and ergonomic design for professional use. Technical Specifications: Number of pieces: 39 Bits: 28 pieces (series 1 and series 4) Hand holder: Wera 813 Bit holder: Rapidaptor Adapter: 870/1 (1/4" hexagon to 1/4" square) Sockets: 7 pieces (1/4") Ratchet: solid steel, suitable for 1/4" drive. Included as standard: 28x Wera bits 1x Hand holder 813 1x Rapidaptor bit holder 1x Adapter 870/1 7x Sockets (1/4") 1x Wera bit ratchet