


Save Extra With 1 Offer
A. The SP3816 is a 16mm socket with a 3/8" square drive and standard depth.
A. It is cold-forged from Chrome Vanadium steel, then hardened and tempered for added strength.
A. WallDrive® is Sealey's socket configuration that engages the flat faces of a fastener rather than the corners, helping to reduce rounding of fastener heads under load.
A. Yes, the SP3816 features a knurled ring for extra grip, which is particularly useful when working with oily fingers.
A. It is chrome plated with a fully polished finish.
A. Yes, the SP3816 is backed by Sealey's lifetime guarantee.
A. Yes, it is described as part of a comprehensive range of Premier Hand Tools suitable for daily professional use.
A. Yes, the SP3816D is a variant in the same product line. Please refer to that listing for its specific differentiator, or contact Parts for Machines for confirmation.
A. Yes, alternatives include S0576, S0577, S0578, and S0579. Please refer to those listings for details on each.
A. Yes - WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility, and we'll help you choose the right product.
By sharing your email, you agree to our privacy policy & terms of service