WERA 8100 SB 2 Zyklop 3/8" Metric Ratchet Set, 43-Pieces — Sockets & Sets product photo
WERA 8100 SB 2 Zyklop 3/8" Metric Ratchet Set, 43-Pieces — additional product view
Sockets & Sets

WERA 8100 SB 2 Zyklop 3/8" Metric Ratchet Set, 43-Pieces

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The WERA 8100 SB 2 Zyklop 3/8" Metric Ratchet Set is a comprehensive 43-piece metric socket and ratchet kit built around the Wera Zyklop Speed ratchet. The Zyklop ratchet head locks in five positions, allowing the tool to be used as a conventional ratchet, a screwdriver, or at an angle to reach fasteners in confined spaces. The 72-tooth gearing delivers a fine 5° return angle for working in tight clearances, and the free-spinning sleeve with an integrated thumbwheel enables fast spinning of the ratchet by hand for rapid nut and bolt run-down. The set uses Wera ball-lock sockets that secure positively to the drive and release with a quick push-button release, and the included sockets cover a broad range of metric sizes across 3/8" drive. The full kit is organized in a rugged metal case that keeps each component identified and readily accessible. This set is suited for automotive repair, machinery maintenance, assembly work, and general mechanical applications where a wide range of metric 3/8" drive sockets is required. Brand: WERA; Model: 8100 SB 2; Drive Size: 3/8 inch; Piece count: 43; Socket type: metric; Ratchet: Zyklop Speed ratchet with 5-position locking head, 72-tooth gearing, 5° return angle, free-spin sleeve, thumbwheel; Socket retention: ball-lock; Case: rugged metal case; ASIN: B0024LOT6Y.

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Choosing Sockets & Sets

6-point or 12-point sockets — which should I use?

6-point sockets grip the flats of a hex fastener for maximum torque and resist rounding, ideal for stubborn or high-torque fasteners. 12-point sockets offer more engagement positions for tight clearance, but apply force closer to the corners and are more likely to round a worn fastener.

Do I need impact-rated sockets?

Use impact sockets (typically chrome molybdenum, black finish) with impact drivers and wrenches; standard chrome sockets can shatter under impact loads. For hand ratchets, chrome sockets are fine and are thinner-walled for tight spaces. Match the socket drive size to your ratchet.